What is it in our blood that makes it red, and why are other animals different? Biology - Human Body - Learning Points. Haemoglobin is the most efficient oxygen carrier and provides the red pigment in blood. Not all animals have red...

Find out how humans can overcome biological responses to hold their breath underwater for several minutes.



Biology - Human Body - Learni

ng Points.

When we hold our breaths, our lungs signal the brain to...

Humans can only hear a certain range of sound frequencies. Discover the sounds we can't hear and why they can be useful. Physics - Waves - Learning Points. The frequency of sound waves determines whether we can hear them. High-frequency...

Californian redwoods are some of the oldest and largest living organisms on the planet. How do they grow so tall and why are they under threat? Biology - Ecosystems - Learning Points. The coniferous forests on the pacific coast of North...

Heat waves form when an area of high pressure becomes stationary over a region. The heat wave that struck Chicago brought hot sunny tropical weather, but its effects were devastating. Earth Science - Weather - Learning Points. A heat...

The dark side of the Moon remained a mystery until space travel allowed for circumnavigation. What did the astronauts find? Physics - Our Solar System - Learning Points. The Moon orbits around the Earth and spins on its axis. These...

Why Turing devoted his life to the quest of what we now know as artificial intelligence, and invented the first algorithms that now form the basis of all programmed computers. Maths - History Of Maths A Twig Math Film. Reinforce and...

Stem cell therapy is a radical new treatment with the potential to restore eyesight and heal injuries. However, many object to its moral implications. Biology - Cells And DNA - Learning Points. Stem cells can repair or rebuild damaged...

Our closest relatives are chimpanzees, with whom we share 98% to 99% of our DNA. But how similar does this actually make us? Biology - Adaptation And Evolution - Learning Points. Chimpanzees are our closest relatives, with whom we share...

Mired in ethical debate, human clones could help infertile couples to have children and be used to create organ banks, helping to cure disease. Is this scientific progress or man playing God? Biology - Cells And DNA - Learning Points. In...

The carrying of one or more developing foetuses in the womb of a female, from conception to birth. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

All the parts of the earth and its atmosphere in which living organisms can exist. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

Meet our oldest relatives.
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br/>

Our universe - Story of life -


Life on Earth />

Learning Points
Life has been on Earth for a very long time, but humans only e
v

olved very recently by...

Four different objects are shown, but which is the only one that does not store energy?
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br/>

Physical processes - Energy and energy transfer -
S

toring energy


A Twig Tidbit Film - Odd one out. The...

Four bones belonging to the human skeleton are shown, but which is the odd one out?
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Life processes - Body systems - The
h

uman skeleton />

Learning Points
Humans and giraf
f

es both have seven...

Four creatures are shown on screen, but which one does not go through metamorphosis?
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Life processes - Living processes


- Life cycles


A Twig Tidbit Film - Odd one out. The children have to work out...

Six images are shown on screen, four of them are living things ... but which ones?
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Life processes - Living processes -


Living things


A Twig Tidbit Film - Spot the Difference. The children have to...

Learn how dolphins use ultrasound to communicate.
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br/>

Physical processes -Sound - H
o

w do we hear? />

Learning Points
Sound tr
a

vels faster in water than in air.


Ul
t

rasounds...

Discover the efforts of We The People of Detroit to combat water shut-offs affecting over 100,000 families in three years.<br/>

The Arctic is far more than an icy tundra; it's home to the Inuit, a people with a rich cultural heritage. In this video, we're going to explore some of the deities, spirits, and legends of Inuit mythology. These stories reflect a...

By the end of this learning object, the student will be able to: Summarize the main points on the human respiratory system.13553

By the end of this learning object, the student will be able to: Identify some human body systems and their importance.9430

By the end of this learning object, the student will be able to: Summarize the Human Locomotory system.83086

By the end of this learning object, the student will be able to: Explain how impulse travels in reflex movement.5730