TED Talks
TED: A dive into the reef's Twilight Zone | Richard Pyle
In this illuminating talk, Richard Pyle shows us thriving life on the cliffs of coral reefs and groundbreaking diving technologies he has pioneered to explore it. He and his team risk everything to reveal the secrets of undiscovered...
SciShow
Growing Lambs in High-Tech Plastic Bags
We're closer than ever to growing life in artificial wombs, and we've learned a bit more about how glucose and protein affect exercise endurance.
TED Talks
TED: My daughter, my wife, our robot, and the quest for immortality | Martine Rothblatt
The founder of Sirius XM satellite radio, Martine Rothblatt now heads up a drug company that makes life-saving medicines for rare diseases (including one drug that saved her own daughter's life). Meanwhile she is working to preserve the...
TED Talks
Emma Schachner: The secret weapon that let dinosaurs take over the planet
We've all heard the theories on why the dinosaurs died -- but how did they come to dominate the earth for so long in the first place? (Hint: it has nothing to do with their size, speed, spikes or fantastic feathers.) Travel back in time...
TED Talks
Ismael Nazario: What I learned as a kid in jail
As a teenager, Ismael Nazario was sent to New York’s Rikers Island jail, where he spent 300 days in solitary confinement -- all before he was ever convicted of a crime. Now as a prison reform advocate he works to change the culture of...
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
SciShow
Endometriosis: When Uterine Tissue Goes Rogue
While period cramps are never fun, they can actually be debilitating for those with endometriosis - a disease where rogue uterine tissue turns up in places that it doesn’t belong. Like in other areas of the pelvis… or even in the lungs...
TED-Ed
TED-ED: Why do whales sing? - Stephanie Sardelis
Communicating underwater is challenging. Light and odors don't travel well, but sound moves about four times faster in water than in air - which means marine mammals often use sounds to communicate. The most famous of these underwater...
SciShow
SciShow Quiz Show: Weird Animal Parenting
How do adult strawberry poison frogs pass on toxins to their tadpoles? What happens when scientists add iodine to axolotl tanks? Find out, as our How To Adult hosts Rachel Calderon-Navarro, Project Manager at DFTBA, and Hank Green face...
TED-Ed
TED-Ed: How do ventilators work?
In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as the first...
MinuteEarth
Our Lungs Have A Fatal Flaw
Our respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.
TED-Ed
TED-Ed: Oxygen's surprisingly complex journey through your body - Enda Butler
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside...
SciShow
Retracing a Mastodon’s Steps With Chemistry
Thanks to strontium, oxygen, and rings in a tusk, scientists now have evidence that extinct mastodons may have participated in yearly migrations.
TED-Ed
TED-Ed: What makes TB the world's most infectious killer? - Melvin Sanicas
Learn why tuberculosis, TB, is the world’s most infectious disease and how medical advancements are improving treatment. -- In 2008, two 9,000-year old skeletons were found with their bones infected by an all too familiar bacterium. The...
TED-Ed
TED-Ed: Cell vs. virus: A battle for health - Shannon Stiles
All living things are made of cells. In the human body, these highly efficient units are protected by layer upon layer of defense against icky invaders like the cold virus. Shannon Stiles takes a journey into the cell, introducing the...
SciShow
Why Don't Humans Get Heartworm? (Spoiler: We Do)
Preventing heartworm disease in your dog isn't just good for your furry friend. It turns out that humans can be infected with heartworm, too!
TED-Ed
TED-Ed: How do cigarettes affect the body? - Krishna Sudhir
Cigarettes aren't good for us. That's hardly news -- we've known about the dangers of smoking for decades. But how exactly do cigarettes harm us, and can our bodies recover if we stop? Krishna Sudhir details what happens when we smoke --...
MinuteEarth
Do Other Diseases Have "Long" Versions?
COVID isn’t the only virus to cause long-lasting symptoms. Other viruses - including the flu - can have similar enduring effects on our tissues and immune systems.
TED-Ed
TED-Ed: Why is it so hard to cure the common cold? | TED-Ed
On average, adults catch more than 150 colds throughout their lives. Even with similar symptoms, the cause could be different each time. Common colds are caused by at least 8 different families of virus, each of which can have its own...
SciShow
The Most Extreme Complex Life in the World
Humans can’t go too far above or below sea level unaided, but there are some complex forms of life that CAN survive at super high elevations or in the deepest parts of the ocean.
TED Talks
Arunabha Ghosh: 5 steps for clean air in India
India's big cities have some of the worst air quality in the world. How can we fix this public health crisis? In an actionable talk, social entrepreneur Arunabha Ghosh lays out a five-step plan to put India on the path to cleaner, safer...
TED-Ed
TED-ED: The motion of the ocean - Sasha Wright
The constant motion of our oceans represents a vast and complicated system involving many different drivers. Sasha Wright explains the physics behind one of those drivers -- the concentration gradient -- and illustrates how our oceans...
TED-Ed
TED-Ed: How do the lungs work? - Emma Bryce
When you breathe, you transport oxygen to the body's cells to keep them working, while also clearing your system of the carbon dioxide that this work generates. How do we accomplish this crucial and complex task without even thinking...
SciShow
Catfish Walking on Land Find Water by its Smell
There’s a reason behind the saying “fish out water.” Fish don’t tend to do well if they’re not immersed in liquid. But walking catfish are surprisingly adept at making their way on land.