SciShow
How People Have Evolved to Live in the Clouds
High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...
SciShow
The Chemistry of Addiction
Hank describes how our brains respond biochemically to various addictive substances and behaviors and where those responses have come from, evolutionarily speaking.
SciShow
That’s Not a Rattlesnake… It’s an Owl!
When living underground leaves them vulnerable to attack, burrowing owls have a trick up their sleeve—they’ve developed the ability to mimic rattlesnake sounds that scare off predators!
SciShow
Squid Proteins, but Make Them Fashion
Humans often take inspiration from nature when coming up with inventions, and this includes breakthroughs in fabric design that help to forward the fabulous and functional world of fashion.
SciShow
Common Misconceptions About Evolution
Evolution is particularly vulnerable to misunderstandings around the scientific language. SciShow clears up some confusing language!
TED-Ed
TED-ED: The surprising reasons animals play dead - Tierney Thys
From lemurs to lizards, ants to amphibians, sharks to chickens, hundreds of animals "play dead" as a survival tactic. But how and why do animals do this? Tierney Thys explains how this curious behavior, known as tonic immobility or TI...
TED-Ed
TED-Ed: The brilliance of bioluminescence - Leslie Kenna
Some lucky animals are naturally endowed with bioluminescence, or the ability to create light. The firefly, the anglerfish, and a few more surprising creatures use this ability in many ways, including survival, hunting, and mating....
SciShow
Why Do Birds Sing in the Morning?
You’re having a dream, and for some reason that giant rabbit that’s about to eat you starts to sing like a bird. You wake up to find that birds are singing outside your window! Check out this SciShow Quick Question to find out why those...
Crash Course
Community Ecology: Feel the Love - Crash Course Ecology
Interactions between species are what define ecological communities, and community ecology studies these interactions anywhere they take place. Although interspecies interactions are mostly competitive, competition is pretty dangerous,...
TED-Ed
TED-Ed: The secret society of the Great Dismal Swamp | Dan Sayers
Straddling Virginia and North Carolina is an area that was once described as the "most repulsive of American possessions." By 1728, it was known as the Great Dismal Swamp. But while many deemed it uninhabitable, recent findings suggest...
TED Talks
Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution
We need a radically new approach to ocean conservation, says marine biologist and TED Fellow Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and...
Crash Course
Natural Selection - Crash Course Biology
Hank guides us through the process of natural selection, the key mechanism of evolution.
Curated Video
Positive Results from Phase Three Study of Tarceva: A New Approach to Treating Solid Tumors
Tarceva is a promising new oral anti-cancer drug belonging to a new class of drugs called epidermal growth factor receptor inhibitors. It has shown positive results in phase three studies for non-small cell lung cancer and pancreatic...
Curated Video
What is NEUROSCIENCE?
These days you may be hearing a lot about neuroscience in business, leadership, and Project Management. But what is neuroscience? A useful working definition in our context is: Neuroscience is about understanding how the brain works, so...
Debunked
These Survival Myths Could Actually Get You Killed
Our love of reckless recreation, and our fascination with ‘lost in the wilderness’ movies means that almost all of us could reel off at least a few survival tactics. The trouble is, are they reliable or could some of them actually make...
Debunked
At What Height Does A Fall Become Fatal
If you’re trapped high up in a deadly predicament with only a great fall as a means of escape, should you take your chances with fall damage?
Curated Video
What's the One Thing You Can Do To Survive a Tsunami?
While tsunamis happen all over the world, really big ones are rare. But, they can be truly devastating. And what’s more, the West Coast of North America is overdue for a subduction zone earthquake and tsunami that has the potential to be...
Professor Dave Explains
Behavioral Ecology (Foraging, Parasitism, Mutualism, Mate Choice, and Social Groups)
With a better understanding of ecosystems and their habitats, we are ready to discuss behavioral ecology. This looks at how organisms interact and how this effects the ecosystem. What is foraging? What about parasitism, or mutualism? How...
Science ABC
Arachnophobia: Why Are People Scared of Spiders?
The emotion a spider elicits is not just fear but a combination of fear, disgust, and creepiness. Psychologists reckon that we have evolved to feel disgust or revulsion to prevent us from consuming or contacting things that might be a...
Curated Video
Adaptive divergence
Or adaptive radiation, the divergence of life forms from a common ancestor, as they adapt to different environments. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Bacteria
Single-celled microorganisms, which do not have a nucleus, and reproduce by simple cell division. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Mutation
A change in a DNA sequence. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key curriculum...
Curated Video
Factpack: Endangered Species
Where in the world are there an estimated 12,000 captive tigers? Biology - Adaptation And Evolution - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the...