SciShow
How the First Americans Got There
This week, researches published a genetic analysis of the 11,500-year-old remains of a baby found in Alaska, near where the first Americans crossed the Bering land bridge. That analysis has answered some lingering questions about human...
SciShow
5 Kinds of Slime Found in Nature | Slime Time Compilation
What's the scoop on slime? You may have seen green slime on some TV show challenges, but turns out there is some pretty cool slime that occurs naturally in nature! For some animals, slime is vital to their daily lives! Join Stefan Chin...
SciShow
The 5 Most Important Molecules in Your Body
Your body has all sorts of complicated processes going on, and a lot of them are carried out by incredibly powerful molecules. We’re not talking nutrients -- we’re talking about 5 of the molecules that keep you ticking!
SciShow
How Humans Are Almost Identical to Chimps, According to DNA
On the genetic level, we're not all that different from chimps. But those small differences in DNA can have massive effects. Learn what makes us truly different from chimpanzees in this new episode of SciShow!
SciShow
5 Scientists Who Experimented On Themselves: High Stakes Research
It took some time for us to realize it isn’t the best idea for scientists to experiment on themselves. But along the way, sometimes at the expense of the health of scientists, we have gained crucial insights into their areas of study.
SciShow
Why Haven't We Eradicated Polio?
If we’ve had vaccines for the polio virus for almost 70 years, why haven’t we been able to fully eradicate it from the globe? Hosted by: Hank Green (he/him)
SciShow
Why Don’t Humans Have Whiskers?
You might have a beard, or a mustache, or even a soul patch. What you don't have are whiskers. Hosted by: Hank Green
SciShow
3 New Facts About Denisovans
Hank brings us some late-breaking news from the genus Homo - a team of scientists has sequenced the genome of the Denisova hominin, the latest member to be added to the human family tree.
SciShow
You Can Inherit Mitochondrial DNA from Both Parents! | SciShow News
Earlier this week, a team of researchers announced that they’d made a discovery about how we inherit mitochondrial DNA from our parents that could change what we know about not only disease inheritance, but human history as a whole.
SciShow
Why We Age - And How We Can Stop It
Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity... for mice.
SciShow
Why Genetic Engineering Can’t Do Everything (Yet)
We've made some great strides in understanding the human genome, but before we can tackle genetic engineering, we have some "chicken and egg" problems to figure out. Hosted by: Hank Green
SciShow
Why Don't Humans Have a Mating Season?
Unlike lots of other animals, there’s no such thing as the “mating season” for humans, and it might have to do with how we raise our kids.
SciShow
Why Do Women Live Longer Than Men?
Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.
TED-Ed
TED-Ed: The most important century in human history | TED-Ed
Is it possible that this century is the most important one in human history? The 21st century has already proven to be a period of rapid growth. We're on the cusp of developing new technologies that could entirely change the way people...
TED Talks
TED: A modern argument for the rights of animals | Peter Singer
Why do we prioritize human rights over those of other species? Philosopher Peter Singer dives into what he calls "speciesism," the root of the widely ignored mistreatment of animals around the world, from factory farms to product-testing...
TED Talks
TED: The urgent risks of runaway AI -- and what to do about them | Gary Marcus
Will truth and reason survive the evolution of artificial intelligence? AI researcher Gary Marcus says no, not if untrustworthy technology continues to be integrated into our lives at such dangerously high speeds. He advocates for an...
TED Talks
TED: Woman, Life, Freedom in Iran -- and what it means for the rest of the world | Golshifteh Farahani
In this poetic and moving reflection, actor, musician and activist Golshifteh Farahani honors those who have fought for "Woman, Life, Freedom" following Mahsa Amini's death at the hands of Iran's religious morality police. Calling upon...
TED Talks
TED: What will the dream car of the future be like? | Alex Koster
Fasten your seat belt as software engineer Alex Koster takes us on a journey in what he calls the "software dream car" of the future. He breaks down how massive technological shifts are transforming the automotive industry and paints a...
SciShow Kids
Blue Whales: The Biggest Animal EVER! | SciShow Kids
Did you know that the biggest animal that ever lived is still alive today? Let's learn all about what blue whales eat, where they live, and just how big they are, with Jessi and Squeaks!
TED-Ed
TED-Ed: What if you experienced every human life in history? | TED-Ed
Imagine that your life began as one of the planet's first humans. After dying, you're reincarnated as the second human ever to live. You then return as the third person, the fourth, the fifth, and so on – living the lives of every human...
TED Talks
TED: Gourmet food for the final frontier | Phnam Bagley
What does an in-flight meal look like when you're traveling to Mars? Designer Phnam Bagley envisions a future where astronauts have nourishing, flavorful food reminiscent of home -- a giant leap from their current staple of...
TED-Ed
TED-Ed: Can you freeze your body and come back to life? | Shannon N. Tessier
In 1967, James Bedford had a plan to cheat death. He was the first person to be cryogenically frozen. This process promised to preserve his body until a theoretical future when humanity could cure any illness, and essentially, reverse...
PBS
Why Doctors Are Increasingly Prescribing Nature
As rates of chronic disease among children have skyrocketed over the past few decades, pediatricians have increasingly looked for solutions beyond the clinic. Sometimes that means actually prescribing time outside. Special correspondent...