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The safety song

The safety song

A musical stravaganza on the importance and execution of laboratory safety.

The Sounds of Science

ESO 1. Science

U
Topic 1. The Earth in the Universe
Sputnik news reel

Sputnik news reel

Watch this news reel from Universal Studios on the launch of Sputnik in 1957, the first man-made satellite ever put into orbit.

Apollo 11 mission highlights

Apollo 11 mission highlights

Watch that small step for a man, but giant leap for Mankind.

Apollo lunar landings

Apollo lunar landings

The 6 lunar landings of the Apollo Mission seen simultaneously from the same perspective as the astronauts.

Milky Way

Milky Way

Find out more about the Milky Way galaxy.

Produced by Cassiopeia Project

Really big stars

Really big stars

Want to see something really big? Well watch this. Check out how our own moon compares to the largest star we currently know about, VY Canis Majoris.

Produced by Cassiopeia Project

Planets and stars to Scale

Planets and stars to Scale

Watch from the smallest planet in the Solar System to the biggest known star.

The known Universe

The known Universe

From the Himalayas through our atmosphere and the inky black of space to the afterglow of the Big Bang.

Source: American Museum of Natural History

Sol

Sol

Find out more about the Sun and its future.

Produced by Cassiopeia Project

Pluto

Pluto

Find out more about the dwarf planet Pluto.

Produced by Cassiopeia Project

Mercury

Mercury

Find out more about the planet Mercury.

Produced by Cassiopeia Project

Venus

Venus

Find out more about the planet Venus.

Produced by Cassiopeia Project

Mars

Mars

Find out more about the planet Mars.

Produced by Cassiopeia Project

Jupiter

Jupiter

Find out more about the planet Jupiter.

Produced by Cassiopeia Project

Saturn

Saturn

Find out more about the planet Saturn.

Produced by Cassiopeia Project

Uranus

Uranus

Find out more about the planet Uranus.

Produced by Cassiopeia Project

Neptune

Neptune

Find out more about the planet Neptune.

Produced by Cassiopeia Project

Earth

Earth

Find out more about the planet Earth.

Produced by Cassiopeia Project

Earth rise from the Moon

Earth rise from the Moon

Recorded in April 2008 by the Kaguya (Selene) spaceprobe from the Japan Aerospace Exploration Agency.

Total lunar eclipse

Total lunar eclipse

Total lunar eclipse of February 20, 2008, in slow motion.

Topic 2. Matter
Eureka! - Volume and density

Eureka! - Volume and density

Learn how a "car crusher machine" can help your father to reduce both the volume and the density of his car.

Produced by TVOntario

Meet the elements

Meet the elements

Sing and learn the properties of some chief elements.

The elements song, by Tom Lehrer

The elements song, by Tom Lehrer

Exhaustive and exhausting, yet funny, recitation of all the know elements to the date of the recording.

Mixtures and compounds

Mixtures and compounds

Learn the difference!

Eureka! - Atoms

Eureka! - Atoms

Learn how matter is made up of molecules built with very different types of smaller particles: the atoms.

Produced by TVOntario

Eureka! - Electrons

Eureka! - Electrons

Learn that atoms are made up of even tinier particles and a lot of empty space.

Produced by TVOntario

Eureka! - Molecules in solids

Eureka! - Molecules in solids

Maybe you thought they weren't moving… but see their dance!

Produced by TVOntario

Eureka! - Molecules in liquids

Eureka! - Molecules in liquids

These ones move even faster.

Produced by TVOntario

Eureka! - Evaporation and condensation

Eureka! - Evaporation and condensation

Learn how are the molecules in a gas, and what can make liquids turn into gases… and viceversa.

Produced by TVOntario

Eureka! - Expansion and contraction

Eureka! - Expansion and contraction

And now learn that that was because the heat affects the movement of the molecules of the objects.

Produced by TVOntario

Topic 4. The Water and the Hydrosphere
Ocean currents

Ocean currents

Learn which are the major ocean currents and how they circulate.

Topic 7. Prokaryotes, Protozoa, Algae and Fungi
Bacteria

Bacteria

You might not see them, but they're there.

Bacterian growth

Bacterian growth

Watch a colony of bacteria multiplying.

Microscopic world I

Microscopic world I

Beautiful movie showing algae, protozoa and small invertebrates dancing in a lake.

Small world

Small world

Much the same thing as the previous one. Protozoa and lots of algae.

Phagocytosis (I)

Phagocytosis (I)

Amoeba gobbles algae cells.

Phagocytosis (II)

Phagocytosis (II)

Amoeba gobbles paramecium.

Cilia and flagella

Cilia and flagella

Narrated clip explaining protozoan movement.

Fungi

Fungi

Fungi in all their beautiness.

Mushroom madness

Mushroom madness

Extracted from the BBC/NHK documentary Planet Earth.

Blue oyster mushrooms growing

Blue oyster mushrooms growing

Beautiful time-lapse movie showing the growth of the many mushrooms produced by a single fungus.

Mould on rotting apple

Mould on rotting apple

Another time-lapse movie showing the not-so-riveting growth of these inferior fungi.

Topic 8. The Plant Kingdom
Adaptations of plants

Adaptations of plants

Learn how plants have evolved to perform efficiently the vital functions.

Produced by Britannica.com

Adaptations of leaves

Adaptations of leaves

Watch how the plants' leaves can be strongly modified to help improve a plant's adaptation to an specific environment or lifestyle.

An Assignment Discovery video

Topic 9. The Animal Kingdom
Amazing octopus camouflage

Amazing octopus camouflage

It is not a ghost, although it certainly looks like it.

Life of a monarch butterfly

Life of a monarch butterfly

From the caterpillar to the imago.

Monarch butterfly caterpillar pupating

Monarch butterfly caterpillar pupating

Watch the monarch butterfly caterpillar forming the chrysalis.

Painted lady butterflies

Painted lady butterflies

Later life stages of several painted lady butterflies: caterpillar, pupa and imago.

Caterpillars

Caterpillars

See how amazingly these vulnerable creatures manage to survive.

Ants

Ants

Watch the most stunning ants' nest that you could ever think of.

Sea turtles and their hatchlings

Sea turtles and their hatchlings

Watch how sea turtles lay their eggs in the sand and how their hatchlings must immediately make it to the water.

Produced by Britannica.com

Galapagos tortoises

Galapagos tortoises

Tortoises of the Galapagos islands.

Produced by Britannica.com

Smarter city birds

Smarter city birds

Biologists are comparing country bumpkins and city slickers... among birds!

Produced by ScienCentral

Partnerships

Partnerships

Watch how patience and interspecific tolerance bring about common benefits for mammals and birds.

ESO 2. Science

U
Topic 1. Forces and Movements
Eureka! - Inertia

Eureka! - Inertia

Objects like to remain the way the are: static or moving. That laziness is called inertia. Learn about it.

Produced by TVOntario

Eureka! - Mass

Eureka! - Mass

Learn how the inertia of a body relates to its mass.

Produced by TVOntario

Eureka! - Forces and speed

Eureka! - Forces and speed

Learn how the force needed to move an object depends on the mass of the object and how much you want to increase its speed.

Produced by TVOntario

Eureka! - Acceleration (I)

Eureka! - Acceleration (I)

That was not quite true. In fact, the force depends on the mass of the object to move and how fast you want to increase its speed. Watch it.

Produced by TVOntario

Eureka! - Acceleration (II)

Eureka! - Acceleration (II)

Let a locomotive driver show to you that acceleration is how much the speed of an object changes every second.

Produced by TVOntario

Eureka! - Gravity

Eureka! - Gravity

The gravitational force and Newton's apple.

Produced by TVOntario

Eureka! - Weight

Eureka! - Weight

Learn that you can easily lose weight without diets - you only have to go to the Moon!

Produced by TVOntario

Theory of gravity tested on the Moon

Theory of gravity tested on the Moon

Drop a hammer and a feather on the Moon, and which one will hit the surface first?

Eureka! - Buoyancy

Eureka! - Buoyancy

Learn that the buoyancy of an object is the result of a balance between two forces: the weight of the object and the weight of the displaced fluid.

Produced by TVOntario

Topic 2. Energy
Eureka! - Work

Eureka! - Work

Energy is the ability to do work, so it' time to learn what work is and how it relates to force.

Produced by TVOntario

Eureka! - Kinetic energy

Eureka! - Kinetic energy

Kinetic energy explained through billiard balls.

Produced by TVOntario

Eureka! - Potential energy

Eureka! - Potential energy

Let David and Goliath explain to you what potential energy is and how can it be transformed into kinetic energy.

Produced by TVOntario

Wind turbines make bat lungs explode

Wind turbines make bat lungs explode

Researchers at the University of Calgary have found out why bats have been dying near wind turbines.

Produced by New Scientist

Topic 3. Heat and Temperature
Eureka! - Temperature vs. heat

Eureka! - Temperature vs. heat

Learn the difference between "degree of hotness" and "quantity of hotness".

Produced by TVOntario

Eureka! - Measuring temperature

Eureka! - Measuring temperature

You need something better than just "too cold" or "too hot", don't you? Learn how Anders Celsius came up with the solution…

Produced by TVOntario

Eureka! - Heat as energy

Eureka! - Heat as energy

Learn that heat is just another kind of energy, and can be transmitted.

Produced by TVOntario

Temperature

Temperature

Can an individual atom be hot or cold? Can it even have a temperature? Find out now!

Produced by Cassiopeia Project

Eureka! - Conduction

Eureka! - Conduction

Learn that heat can be transmitted by the vibration of an atom (or molecules) to its neighbours… which is what makes metals be so good heat conductors.

Produced by TVOntario

Eureka! - Convection

Eureka! - Convection

Learn that heat can also be conveyed by fluids thanks to the principle of buoyancy.

Produced by TVOntario

Eureka! - Radiation

Eureka! - Radiation

And lastly, heat can also travel in the form of waves.

Produced by TVOntario

Topic 4. Light
Eureka! - Radiation spectrum

Eureka! - Radiation spectrum

Learn what makes tomatoes be red and black colour warmer than white.

Produced by TVOntario

Topic 5. Sound
Sound waves on fire

Sound waves on fire

Pump some flammable gas into one side of a tube, attach a speaker to the other side, and watch what happens to the columns of flames that issue from small holes along the top.

Topic 6. Chemical Changes
Chemical party

Chemical party

Watch almost real chemical elements interacting live.

Topic 10. Reproduction in Living Beings
The hidden beauty of pollination

The hidden beauty of pollination

Pollination: it's vital to life on Earth, but largely unseen by the human eye. Filmmaker Louie Schwartzberg shows us the intricate world of pollen and pollinators with gorgeous high-speed images from his film "Wings of Life".

Created by Louie Schwartzberg

Methods of pollination

Methods of pollination

Learn how plants manage to be pollinated and to avoid self-pollination.

Produced by Britannica.com

Wild orchid wasp mimic

Wild orchid wasp mimic

This incredible plant dupes wasps into thinking they're mating, while loading them with pollen.

BBC Worldwide

Fruit development

Fruit development

A fruit consists of seeds enclosed in a mature ovary of a flowering plant. The wall of the ovary in an apple hardened and the supporting stem become fleshy and grows up and around the ovary.

Corn growing

Corn growing

Watch seeds of corn developing roots and leaves.

Asexual reproduction in plants

Asexual reproduction in plants

Learn about the several means plants have to reproduce asexually.

Produced by Britannica.com

Topic 11. The Ecosphere and the Ecosystems
Trash and recycle

Trash and recycle

A funny and silly explanation of recycling by Steve Trash.

Electronic waste recycling in India

Electronic waste recycling in India

Documentary by Greenpeace showing the harm that computer recycling in India is inflicting on workers' health. Underlines why recycling needs to be carefully regulated.

ESO 3. Biology and Geology

U
Topic 1. Organization of Living Matter
Carbohydrates

Carbohydrates

Great video that makes use of the Periodic Table to explain how a glucose molecule, the primary component of many bigger carbohydrates, is chemically constructed.

Produced by Cassiopeia Project

Lipids

Lipids

See how a triglicerid, the most typical lipid molecule, is built from three fatty acids and one molecule of glycerine.

Produced by Cassiopeia Project

Proteins

Proteins

Learn how a protein molecule is built up until it is fully functional.

Produced by Cassiopeia Project

DNA Structure

DNA Structure

Learn how a molecule of DNA is structured.

DNA

DNA

Learn the structure, organisation and function of DNA.

Produced by Cassiopeia Project

DNA wrapping and replication

DNA wrapping and replication

The first part shows the DNA coiling four consecutive times to make up the chromosomes. The second shows the process of DNA duplication before cell division.

Cells

Cells

Learn about the types of cells, their components and their functions.

Nucleus Medical Media

Chromosomes

Chromosomes

How many chromosomes do humans have? How about a dog? Check out this video to find out more about chromosomes.

Produced by Cassiopeia Project

3D human anatomy

3D human anatomy

3D visualization from actual CAT scan and MRI data of living subjects.

Produced by Edmond Alexander

Male anatomy

Male anatomy

A 360 degree view of the male anatomy.

Produced by Cassiopeia Project

Female anatomy

Female anatomy

A 360 degree view of the male anatomy.

Produced by Cassiopeia Project

Topic 2. Nutrition in Humans
Digestive system

Digestive system

Short introductory video on the function of the digestive system.

Digestion

Digestion

Watch the digestion process.

Respiratory system (I)

Respiratory system (I)

Respiration Medical Animation, with detailed information on the respiratory system.

Argosy Medical Animation

Respiratory system (II)

Respiratory system (II)

Comprehend the structure and location of various respiratory organs that together make the respiratory system and explore the continuous process of breathing.

Produced by DesignMate Pvt. Ltd.

Respiratory system (III)

Respiratory system (III)

This video gives a detailed description of the anatomy and physiology of the lungs.

Nucleus Medical Media

Respiratory system (IV)

Respiratory system (IV)

The mechanism of breathing and the anatomy of the organs that carry out this activity, brought vividly to life through revealing animation and x-ray motion pictures.

Produced by the Phoenix Learning Group

Gas exchange

Gas exchange

Learn how gas exchange is performed in the alveoli.

3D view of diaphragm

3D view of diaphragm

View of diaphragm during respiration.

Produced by 3D-Yoga.com

Oxygen and carbon dyoxide

Oxygen and carbon dyoxide

Learn about how the blood oxygenates and deoxygenates.

Circulatory system (I)

Circulatory system (I)

Learn about the journey of the blood throughout the body.

Circulatory system (II)

Circulatory system (II)

Watch the path of a red blood cell around the body.

Produced by Britannica.com

Heart anatomy

Heart anatomy

Learn the parts of the heart and how they work.

Nucleus Medical Media

Rotating heart

Rotating heart

Watch the heart's valves working in a translucent rotating heart.

The work of the heart (I)

The work of the heart (I)

Learn about the heart's pumping action, its valves, chambers, movements and function.

The work of the heart (II)

The work of the heart (II)

Learn how the pumping action of the heart is triggered.

The work of the heart (III)

The work of the heart (III)

Learn how the heart manages to deliver nutrients to all of your body.

Nucleus Medical Media

The work of the heart (IV)

The work of the heart (IV)

Learn the components and inner working of the heart.

Nucleus Medical Media

Anatomy of the aorta

Anatomy of the aorta

Learn the parts of the aorta artery.

Nucleus Medical Media

Urinary system

Urinary system

Overall view on the roles of the different organs in the urinary system.

The function of the nephron

The function of the nephron

Learn how urine is progressively made in the different parts of every nephron.

Topic 3. Interaction in Humans
Neurones

Neurones

Introductory video to the role of neurones in the human body.

Produced by Cassiopeia Project

Nervous system (I)

Nervous system (I)

Short introductory video on the function of the nervous system.

Nervous system (II)

Nervous system (II)

Explore the nervous system through a series of animated sequences that trace the structure of neurons and illuminate biochemical impulses.

Produced by The Phoenix Learning Group

Brain anatomy

Brain anatomy

This video shows the anatomy and function of the brain using color coded areas.

Nucleus Medical Media

Backbone anatomy

Backbone anatomy

Cervical spine and intervertebral disc anatomy.

Brain 101

Brain 101

The brain constitutes only about 2 percent of the human body, yet it is responsible for all of the body's functions. Learn about the parts of the human brain, as well as its unique defenses, like the blood brain barrier.

National Geographic

Skin, nails and hair

Skin, nails and hair

Short introductory video on the function of the skin, the nails and the hair.

Seeing

Seeing

Short introductory video on the process of seeing.

Hearing and balance (I)

Hearing and balance (I)

Short introductory video on the senses of hearing and equilibrium.

Smelling and tasting

Smelling and tasting

Short introductory video on the senses of smelling and tasting.

Endocrine system

Endocrine system

Short introductory video on the function of the endocrine system and the hormones.

Motor apparatus

Motor apparatus

Short introductory video on the function and components of the motor apparatus.

Topic 4. Reproduction in Humans
Female reproductive system

Female reproductive system

The female reproductive system with some detail.

Ovulation

Ovulation

This video explains in detail the part of the menstrual cycle where the ovary releases an egg to be fertilized during conception.

Nucleus Medical Media

Human ovulation footage

Human ovulation footage

Human ovulation captured on film for the first time.

The Menstrual cycle

The Menstrual cycle

Learn how hormones control the menstrual cycle.

Produced by How the Body Works

Reproduction

Reproduction

Short introductory video to the reproductive process in humans.

Fertilization

Fertilization

Excellent animation showing fertilization in detail.

Nucleus Medical Media

From conception to birth

From conception to birth

Great speechless animation of the nine-months journey towards chilbirth.

Cell to embryo

Cell to embryo

Watch the amazing transformation of a fertilized egg into an 8-week embryo in this video made from magnetic resonance images.

University of Michigan

From weeks 6 to 12

From weeks 6 to 12

Animation showing the changes between the sixth and the twelfth week of gestation.

Development of the fetus (I)

Development of the fetus (I)

Stage by stage description of the changes during human fetal development.

Development of the fetus (II)

Development of the fetus (II)

Stage by stage depiction of the human fetal development.

Development of the fetus (III)

Development of the fetus (III)

How a baby grows and develops from an embryo stage till the birth day.

Amniocentesis

Amniocentesis

This animation shows an amniocentesis procedure to test the amniotic fluid during pregnancy.

Nucleus Medical Media

Childbirth (I)

Childbirth (I)

Animation of a normal vaginal birth.

Childbirth (II)

Childbirth (II)

Detailed explanation on how a typical childbirth takes place.

Childbirth (III)

Childbirth (III)

Excellent animation showing labour and delivery.

Nucleus Medical Media

Birth control pills

Birth control pills

Learn about the female reproductive system, the roles of estrogen and progesterone in the menstrual cycle and the use of contraceptive pills.

Nucleus Medical Media

Intrauterine device

Intrauterine device

Both hormonal and copper intrauterine devices are shown, and how they prevent pregnancy is explained.

Nucleus Medical Media

Vasectomy

Vasectomy

This video shows a traditional and non scalpel vasectomy procedure.

Nucleus Medical Media

In Vitro fertilization

In Vitro fertilization

This video shows the process by which a woman's eggs are fertilized outside her body and then placed inside her body to help her get pregnant.

Nucleus Medical Media

Intrauterine Insemination (IUI)

Intrauterine Insemination (IUI)

This video shows how doctors perform intrauterine insemination (IUI), which is sometimes called artificial insemination.

Nucleus Medical Media

Childbirth the Monty Python's way

Childbirth the Monty Python's way

Fragment from the Monty Python's film "The meaning of Life"… with the very expensive machine that goes "ping".

Transcript

Topic 5. Health and Disease
Heart Attack Due to Atherosclerosis

Heart Attack Due to Atherosclerosis

This narrated medical animation illustrates the story of a heart attack (myocardial infarction) from a blocked coronary artery due to atherosclerosis.

Nucleus Medical Media

Stroke

Stroke

This video gives a thorough explanation of stroke, covering anatomy and physiology, different types of stroke, and treatment.

Nucleus Medical Media

Smoking Causes Cancer, heart disease, emphysema

Smoking Causes Cancer, heart disease, emphysema

This animation shows the health risks of smoking tobacco.

Nucleus Medical Media

Type 1 diabetes

Type 1 diabetes

This animation explains the causes, symptoms and treatment of type 1 diabetes, a condition in which your pancreas does not produce insulin.

Nucleus Medical Media

Type 2 diabetes

Type 2 diabetes

This animation shows type 2 diabetes, a condition in which the level of sugar in the blood is too high.

Nucleus Medical Media

Infection fighters

Infection fighters

Short introductory video on the immune system and the skin as infection fighters of our body.

White blood cell chasing a bacterium

White blood cell chasing a bacterium

Watch a neutrophil white blood cell going after a bacterium in the blood.

HIV and AIDS

HIV and AIDS

This video shows the function of white blood cells in normal immunity. It also portrays how the human HIV affects the immune system and causes AIDS.

Nucleus Medical Media

Topic 7. Rocks
Rocks

Rocks

An overview of the rock transformation processes on our planet.

Produced by Cassiopeia Project

ESO 4. Biology and Geology

U
Topic 1. Cellular Functions
The cell membrane

The cell membrane

Learn the structure, behaviour and biological meaning of the cell's plasma membrane.

Diffusion

Diffusion

Learn how the molecules of fluids move freely, and which force drives their motion.

Osmosis

Osmosis

Learn how the process of osmosis can even out the concentrations of two solutions to either side of a partially permeable membrane.

Passive transport

Passive transport

Learn how some proteins of the plasma membrane can allow a free movement of molecules in and out the cell.

Active transport (I)

Active transport (I)

Learn how some proteins of the plasma membrane can pump certain substances through the membrane against the concentration gradient with some contribution of energy.

Active transport (II)

Active transport (II)

A more detailed view of the process of active transport through the Na/K pump example.

Endocytosis and exocytosis (I)

Endocytosis and exocytosis (I)

Learn how plasma membrane sacs can help to transport materials in bulk in and out the cell.

Endocytosis and exocytosis (II)

Endocytosis and exocytosis (II)

A more detailed view on the role of the endoplasmic reticulum, the Golgi apparatus and the cell's membrane lipid bilayer in the processes of exocytosis and endocytosis.

Mitosis (I)

Mitosis (I)

The mitotic process explained through an animated movie. [Some key words: thread, coil, unwind, spindle, fiber].

Mitosis (II)

Mitosis (II)

The central stages of mitosis in a microscopic movie.

Mitosis (III)

Mitosis (III)

Another animated movie on mitosis, this time silent.

Meiosis

Meiosis

The meiotic process explained through an animated movie.

Topic 2. Heredity and Transmission
Mendel's gene theory explained

Mendel's gene theory explained

A quite aged but still great and clear explanation of Mendel's works.

Genetics 101 Part 1: What are genes?

Genetics 101 Part 1: What are genes?

On DNA, genes and chromosomes.

Produced by 23andMe

Genetics 101 Part 2: What are SNPs?

Genetics 101 Part 2: What are SNPs?

On molecular-level mutations and inherited variation.

Produced by 23andMe

Genetics 101 Part 3: Where do your genes come from?

Genetics 101 Part 3: Where do your genes come from?

On chromosomes and gender inheritance.

Produced by 23andMe

Genetics 101 Part 4: What is phenotype?

Genetics 101 Part 4: What is phenotype?

On the phenotype and its genetic and environmental influences.

Produced by 23andMe

From DNA to protein

From DNA to protein

This animation shows how proteins are made in the cell from the information in the DNA code.

Produced by YourGenome

DNA transcription and translation

DNA transcription and translation

Detailed animation to show how proteins are made in the cell from the information in the DNA code.

McGraw-Hill Animations

Tryptophan Repressor

Tryptophan Repressor

See how tryptophan controls its own synthesis by acting as a co-repressor of the genes that code for it.

McGraw-Hill Animations

Code for Life (I)

Code for Life (I)

Beginning more than 3.5 billion years ago, a tiny, primitive molecule encoded instructions, that it passed to its children, who passed it to their children and so on, all the way down through time to all living things today. Watch the story of DNA.

Produced by Cassiopeia Project

Code for Life (II)

Code for Life (II)

Second part of the series.

Produced by Cassiopeia Project

Code for Life (III)

Code for Life (III)

Third part of the series.

Produced by Cassiopeia Project

Code for Life (IV)

Code for Life (IV)

Fourth part of the series.

Produced by Cassiopeia Project

Code for Life (V)

Code for Life (V)

Fifth part of the series.

Produced by Cassiopeia Project

Code for Life (VI)

Code for Life (VI)

Sixth part of the series.

Produced by Cassiopeia Project

Genetic engineering (I)

Genetic engineering (I)

Genetic engineering using plasmids put simple.

Genetic engineering (II)

Genetic engineering (II)

Comprehensive video on the basic process of genetic engineering: creating recombinant DNA from different species.

18 genetically modified organisms you don't know about

18 genetically modified organisms you don't know about

From Glow in the Dark Rabbit to Anti-Cancer Purple Tomatoes, here are 18 Genetically Modified Organisms You Don't Know About.

Gene therapy

Gene therapy

See how a virus can be recombined with human DNA to save the life of a person.

CRISPR: Gene editing and beyond

CRISPR: Gene editing and beyond

The CRISPR-Cas9 system has revolutionised gene-editing, but cutting DNA isn’t all it can do. From turning gene expression on and off to fluorescently tagging particular sequences, this animation explores some of the exciting possibilities of CRISPR.

NatureMehods

DNA matching

DNA matching

DNA matching is used as a tool in a variety of applications, from paternity determinations to criminal forensics. Learn how it is done.

Produced by Cassiopeia Project

DNA fingerprinting

DNA fingerprinting

A closer look to the DNA matching technique.

High speed gene sequencing

High speed gene sequencing

Commercial video from a firm that has developed a high speed DNA sequencer.

Produced by Helicos Bioscience Corp.

Nuclear transfer (I)

Nuclear transfer (I)

Animation showing how an egg-cell is enucleated and then provided with a diploid nucleus taken from a somatic cell.

Nuclear transfer (II)

Nuclear transfer (II)

Watch how the nuclear transfer process is actually performed.

Stem cells

Stem cells

This animation explains what stem cells are, their types, and their potential for treating disease. It then shows how hematopoietic stem cell therapy is used to treat leukemia.

Nucleus Medical Media

Topic 3. The Evolution of Living Matter
On the origin of species: first paragraphs

On the origin of species: first paragraphs

Listen to the starter paragraphs of the most influential book in the History of Science, Darwin's "On the Origin of Species by Means of Natural Selection, or The Preservation of Favoured Races in the Struggle for Life".

Evolution primer: who was Charles Darwin?

Evolution primer: who was Charles Darwin?

Discover how Darwin's curiosity, his passion for natural history, his voyage on the Beagle, and his use of the scientific process led to the publication of his groundbreaking book.

Facts of evolution (I)

Facts of evolution (I)

Examining the idea of common descent.

Produced by Cassiopeia Project

Facts of evolution (II)

Facts of evolution (II)

Examining transitional fossils, progression in fossil sequences, vestigial organs, geographical trails, homologous organs and "bad-designed" organs.

Produced by Cassiopeia Project

Facts of evolution (III)

Facts of evolution (III)

Examining extinctions, the fossil record, the concept of species, hybrids and speciation.

Produced by Cassiopeia Project

Facts of evolution (IV)

Facts of evolution (IV)

Examining evolution rates, embrionary development and common biochemistry.

Produced by Cassiopeia Project

Facts of evolution (V)

Facts of evolution (V)

Examining genome and protein comparisons between species and transposones.

Produced by Cassiopeia Project

Facts of evolution (VI)

Facts of evolution (VI)

Examining pseudogenes and endogenous retroviruses.

Produced by Cassiopeia Project

Mechanisms of evolution (I)

Mechanisms of evolution (I)

Examining how genetic variety arises in biological populations.

Produced by Cassiopeia Project

Mechanisms of evolution (II)

Mechanisms of evolution (II)

Examining how natural selection acting upon biological diversity drives evolution.

Produced by Cassiopeia Project

Natural selection made easy

Natural selection made easy

Well explained overview of the process of natural selection and how old Darwin's theory itself has had to adapt to survive under the new discoveries of Genetics.

The Theory of Evolution made easy

The Theory of Evolution made easy

Learn some evidence that makes evolution an accepted fact among biologists all over the world.

Evolution primer: how do we know evolution happens?

Evolution primer: how do we know evolution happens?

Learn about evolution through the fossil remains of whales' land-dwelling ancestors

Evolution primer: how does evolution really work?

Evolution primer: how does evolution really work?

Travel to Ecuador to see how the process of natural selection operates in populations of rainforest hummingbirds.

Evolution primer: why does Evolution matter now?

Evolution primer: why does Evolution matter now?

Learn how tuberculosis is transmitted and why the evolution of multi-drug resistant strains of TB in Russia affects us all.

Gradual evolution

Gradual evolution

The odds that such a complex organ as the human eye could have showed up all at once, and just randomly, are extremely low, creationists say. But the chances for it to appear gradually, step by step, are really high, as this video explains.

Gradual evolution of a complex organ: the eye

Gradual evolution of a complex organ: the eye

But can something like the human eye, that seems to only have any sense once it was fully developed, really appear by gradual evolution? Richard Dawkins explains how.

Proof of evolution that you can find on your body

Proof of evolution that you can find on your body

You can see the result of the evolutionary process in the vestigial structures in each of our bodies, like the third molars that no longer fit in our mouths; for a few other examples, check out the video.

Vox Observatory

Evolution primer: isn't Evolution just a theory?

Evolution primer: isn't Evolution just a theory?

Learn the difference between the scientific and everyday use of key vocabulary words.

Evolution primer: why is Evolution controversial anyway?

Evolution primer: why is Evolution controversial anyway?

Consider different points of view, as scientists, religious leaders, and college students share their opinions about evolution, science, and religious faith.

Creation science made easy

Creation science made easy

Learn why creation science is not science, and why the creation theory is not even a theory.

Topic 4. Natural History of the Earth
The story of the Earth made easy

The story of the Earth made easy

Learn how a geological picture can be related to geological events that happened in the past, and how all this can help us to ellucidate the story of our planet.

The age of our world made easy

The age of our world made easy

Learn the basics on the dating techniques used in Paleontology.

Carbon dating

Carbon dating

Find out how carbon is used to determine how long ago an organism had died.

Produced by Cassiopeia Project

Protoplanetary disk

Protoplanetary disk

Accretion in a protoplanetary disk.

Paleo Earth

Paleo Earth

Watch the evolution of the Eath's continents thoughout the Phanerozoic eon.

Produced by Cassiopeia Project

1 billion years of tectonic movement

1 billion years of tectonic movement

Animation showing the movement of the tectonic plates through the last billion years in 40 seconds.

The origin of Life made easy

The origin of Life made easy

Learn how could living matter come from non-living sludge.

Life to Eve (I)

Life to Eve (I)

From the primordial organic soup to the first vertebrates.

Produced by Cassiopeia Project

Life to Eve (II)

Life to Eve (II)

From the first amphibians to the extinction of the dinosaurs.

Produced by Cassiopeia Project

Life to Eve (III)

Life to Eve (III)

From the extinction of the dinosaurs to the first modern humans.

Produced by Cassiopeia Project

Highway of Life (I)

Highway of Life (I)

Great animation showing how Life on Earth evolved, diversified and increased in complexity from the primordial organic soup to the first fish.

Produced by Cassiopeia Project

Highway of Life (II)

Highway of Life (II)

Great animation showing how Life on Earth evolved, diversified and increased in complexity from the first fish up to humans.

Produced by Cassiopeia Project

Evolution of vertebrates

Evolution of vertebrates

Nice animation showing the evolutionary lineage that lead from the fish to hominids.

Dinosaur bird bones

Dinosaur bird bones

Some hollow bones are providing solid new evidence of how birds evolved from dinosaurs.

Produced by ScienCentral

Evolution of human ancestry 101

Evolution of human ancestry 101

Wonderful animated short movie about the history of human lineage.

Evolution primer: did humans evolve?

Evolution primer: did humans evolve?

Examine the fossil and molecular evidence that supports the evolution of humans from earlier primate ancestors.

Human evolution made easy

Human evolution made easy

Learn how scientists came up with the idea of human evolution from the apes, and which are the fundamental patterns in human evolution.

Human ancestry made easy

Human ancestry made easy

This video traces our migration out of Africa and explains, through DNA evidence, how humans colonized the world.

Topic 5. Plant Physiology
Zoom into a leaf

Zoom into a leaf

Watch the surface and the inside of a leaf progressively magnified by an electron microscope.

Photosynthesis

Photosynthesis

Learn how photosynthesis is performed inside the chloroplasts.

Produced by Britannica.com

Respiration

Respiration

Learn if and when a plant respires, absorbing CO2 and producing O2.

Produced by Britannica.com

Plant fertilization

Plant fertilization

Learn how male and female gametes fuse in plants and what happens afterwards.

Produced by Britannica.com

Double fertilization in flowering plants

Double fertilization in flowering plants

Detailed view of the process of fertilization in plants.

Reproduction of the pine tree

Reproduction of the pine tree

Learn the specificities of the reproduction process in the gymnosperms.

Produced by Britannica.com

Plant hormones and growth

Plant hormones and growth

Learn how plant hormones control their growth towards the light.

Produced by Britannica.com

Topic 6. Dynamics of Ecosystems
Global Warming

Global Warming

Global Warming is a hot topic. This video looks at the evidence and focuses on these two questions: "is the Earth getting warmer?" and "what are the effects of Carbon Dioxide in the atmosphere?"

Produced by Cassiopeia Project

The truth about global warming

The truth about global warming

A simple and effective way to see how human activity relates to global warming.

Climate Change 2013: The Physical Science Basis

Climate Change 2013: The Physical Science Basis

The IPCC has produced a video on its Fifth Assessment Report (AR5). The first part on the Working Group I contribution to AR5 is now available.

Produced by the Intergovernmental Panel on Climate Change

Ask for a better world

Ask for a better world

Global warming: when you feel it, it's already too late.

Produced by Ponto de Criação

Teens, frogs and climate change

Teens, frogs and climate change

With frogs and other amphibians already dying in large numbers, a group of teenagers is joining other amateur scientists to gather information on the problem.

Produced by ScienCentral

Early birds and springtime

Early birds and springtime

A growing body of evidence shows that birds are nesting earlier due to global warming, with potentially harmful consequences.

Produced by ScienCentral

Coal combustion and acid rain

Coal combustion and acid rain

Watch how sulphur-rich coal is a major source of acid rain and what can be done to mitigate its damage.

Produced by Britannica.com

Analysing acid rain

Analysing acid rain

Visit this research station in the Black Forest, Germany, to watch rainwater being tested for acidity.

Produced by Britannica.com

Topic 7. The Earth's Internal Energy
Kilauea

Kilauea

Located in Hawaii, Kīlauea is one of the most active volcanoes in the world.

National Geographic

Pillow lavas (I)

Pillow lavas (I)

Pillow lavas are formed in the sea floor when the erupted rolling lava solidifies only superficially.

Pillow lavas (II)

Pillow lavas (II)

Watch the different shapes of the pillow lavas near an oceanic hotspot.