TED-Ed
TED-ED: How to grow a bone - Nina Tandon
Can you grow a human bone outside the human body? The answer may soon be yes. Nina Tandon explores the possibility by examining how bones naturally grow inside the body, and illuminating how scientists are hoping to replicate that...
TED-Ed
TED-ED: What happens during a stroke? - Vaibhav Goswami
Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death, and a leading cause...
TED Talks
Dan Buettner: How to live to be 100+
To find the path to long life and health, Dan Buettner and team study the world's "Blue Zones," communities whose elders live with vim and vigor to record-setting age. In his talk, he shares the 9 common diet and lifestyle habits that...
TED-Ed
TED-Ed: The science of hearing - Douglas L. Oliver
The ability to recognize sounds and identify their location is possible thanks to the auditory system. That's comprised of two main parts: the ear, and the brain. The ear's task is to convert sound energy into neural signals; the brain's...
SciShow
5 Problems With Plastic and How We Can Fix Them | Compilation
Though not everyone is excited about it, plastics are pretty much everywhere. But what problems are they causing and is there anything we can do to solve those problems?
SciShow
The Sad Truth About the Turmeric in Your Golden Latte
Now seems like a golden opportunity to talk about the positive health benefits of that turmeric in your morning latte.
TED-Ed
TED-Ed: How CRISPR lets you edit DNA - Andrea M. Henle
Explore the science of the groundbreaking technology for editing genes, called CRISPR- Cas9, and how the tool could be used to cure diseases. -- From the smallest single-celled organism to the largest creatures on Earth, every living...
SciShow
Does Stretching Before Exercise Actually Help?
It seems like a good idea to stretch before exercising, but does it actually prevent injuries, or improve your performance?
TED Talks
Rosalind Picard: An AI smartwatch that detects seizures
Every year worldwide, more than 50,000 otherwise healthy people with epilepsy suddenly die -- a condition known as SUDEP. These deaths may be largely preventable, says AI researcher Rosalind Picard. Learn how Picard helped develop a...
TED-Ed
TED-ED: Do we really need pesticides? - Fernan Perez-Galvez
Annually, we shower over 5 billion pounds of pesticides across the Earth to control insects, unwanted weeds, funguses, rodents, and bacteria that may threaten our food supply. But is it worth it, knowing what we do about the associated...
TED-Ed
TED-Ed: How do nuclear power plants work? - M. V. Ramana and Sajan Saini
Our ability to mine great amounts of energy from uranium nuclei has led some to bill nuclear power as a plentiful, utopian source of electricity. But rather than dominate the global electricity market, nuclear power has declined from a...
TED-Ed
TED-ED: Do politics make us irrational? - Jay Van Bavel
Can someone’s political identity actually affect their ability to process information? The answer lies in a cognitive phenomenon known as partisanship. While identifying with social groups is an essential and healthy part of life, it can...
TED-Ed
TED-ED: The science of skin color - Angela Koine Flynn
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....
SciShow
Biofilm: A New (Gross) Thing to Worry About
Slime can be great, but when it's the wrong kind of slime (you know, the kind that can kill you?), it gets added to the list of things Hank wishes he didn't have to worry about. Scientists call it biofilm, and it's a type of bacterial...
Crash Course
Population Health: Crash Course Sociology
We’re continuing our unit on health with a discussion of some of the indicators that help us measure health for different populations. We’ll also explore three contributors to health disparities: individual factors like genetics,...
TED-Ed
TED-Ed: Why is meningitis so dangerous? - Melvin Sanicas
In 1987, thousands of people gathered in Saudi Arabia for the annual Hajj pilgrimage. But what started out as a celebration led to a worldwide health crisis: more than 2,000 cases of meningitis broke out, spreading across Saudi Arabia...
TED-Ed
TED-Ed: Why it's so hard to cure HIV/AIDS - Janet Iwasa
In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don't yet understand exactly how he was cured. But if we can cure people of various diseases,...
TED-Ed
TED-Ed: How to spot a fad diet - Mia Nacamulli
Conventional wisdom about diets, including government health recommendations, seems to change all the time. And yet ads routinely come out claiming to have THE answer about what we should eat. So how do we distinguish what's actually...
TED-Ed
TED-Ed: How does cancer spread through the body? - Ivan Seah Yu Jun
Cancer usually begins with one tumor in a specific area of the body. But if the tumor is not removed, cancer has the ability to spread to nearby organs as well as places far away from the origin, like the brain. How does cancer move to...
TED-Ed
TED-Ed: Which is better: Soap or sanitizer?
Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a virus to stick. If you then touch your face, the virus can infect you. But there are two extraordinarily...
TED-Ed
TED-ED: The science of skin - Emma Bryce
Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square meters of ground. But besides keeping...
TED Talks
TED: The best gift I ever survived | Stacey Kramer
Stacey Kramer offers a moving, personal, 3-minute parable that shows how an unwanted experience -- frightening, traumatic, costly -- can turn out to be a priceless gift.
TED-Ed
TED-Ed: When is water safe to drink? - Mia Nacamulli
Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity - there are nearly 800 million people who still don't have regular access to it. Why is that? And how can you...
SciShow
Dangerous Soaps: How Animals Use Surfactants
When you think of surfactants, you might think of soaps, detergents and other man-made chemicals. But it turns out that some other animals utilize their own versions of these sudsy molecules.