SciShow
Stem Cells
Hank gives you the facts on stem cells - what they are, what they're good for, where they come from, and how they're used in medicine.
TED-Ed
TED-Ed: A day in the life of an ancient Peruvian shaman
The year is 1400 BCE. At the temple of the fisherman, the morning is unusually still and this is just the latest in a series of troubling signs for Quexo, the village shaman. The villagers live off the sea, but this year the winds have...
SciShow
Great Minds We Lost in 2012
Hank pays tribute to some of the great scientific minds we lost in 2012, and then apologizes for some mistakes made in recent SciShow episodes.
Amoeba Sisters
Diffusion
Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...
SciShow
Why Can't I Wear My Dog's Flea and Tick Collars?
It seems like the easiest way to avoid tiny parasites is to just slap on your animal’s tick or flea collar and hike into the woods worry-free. But you definitely shouldn’t.
TED Talks
TED: What if we eliminated one of the world's oldest diseases? | Caroline Harper
Thousands of years ago, ancient Nubians drew pictures on tomb walls of a terrible disease that turns the eyelids inside out and causes blindness. This disease, trachoma, is still a scourge in many parts of the world today -- but it's...
TED-Ed
TED-Ed: How close are we to uploading our minds? | Michael S.A. Graziano
Imagine a future where nobody dies— instead, our minds are uploaded to a digital world. There they could live on in a realistic, simulated environment with avatar bodies, calling in and contributing to the biological world....
SciShow
3 Great Discoveries of 2014
SciShow News explains the amazing discoveries behind this year’s Nobel Prizes, from the invention that made LED bulbs possible to discovering how our “inner GPS” works!
SciShow
The Secret of Regeneration in... Alligators
Why can amphibians, fish and even some reptiles regenerate limbs, while birds and mammals can’t? Researchers think they might have found a clue on the tip of the alligator’s tail.
TED Talks
Christina Warinner: Tracking ancient diseases using ... plaque
Imagine what we could learn about diseases by studying the history of human disease, from ancient hominids to the present. But how? TED Fellow Christina Warinner is an achaeological geneticist, and she's found a spectacular new tool --...
TED Talks
Leila Pirhaji: The medical potential of AI and metabolites
Many diseases are driven by metabolites -- small molecules in your body like fat, glucose and cholesterol -- but we don't know exactly what they are or how they work. Biotech entrepreneur and TED Fellow Leila Pirhaji shares her plan to...
TED Talks
Anders Ynnerman: Visualizing the medical data explosion
Medical scans can produce thousands of images for a single patient in seconds, but how do doctors know what's useful? Scientific visualization expert Anders Ynnerman shows us sophisticated new tools -- like virtual autopsies -- for...
SciShow
Scientists May Have Found a Way to Treat All Cancers... By Accident | SciShow News
A universal cure for cancer would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident.
SciShow
How Doctors on Earth Stopped a Medical Emergency in Space
There was a medical incident on the ISS which required NASA to treat an astronaut from Earth. And astronomers have discovered what might be some of the universe’s earliest stars.
TED-Ed
TED-ED: How aspirin was discovered - Krishna Sudhir
4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they'd found was destined to influence the...
TED-Ed
TED-Ed: How does chemotherapy work? | Hyunsoo Joshua No
During World War I, scientists were trying to develop an antidote to the poisonous yellow cloud known as mustard gas. They discovered the gas was irrevocably damaging the bone marrow of affected soldiers. This gave the scientists an...
SciShow
Why Do We Laugh?
You know what's funny? Why people laugh. Hank talks about the science of laughter: what makes us laugh, what purpose it serves, and even what it can tell us about our mental and physical health. Hilarious!
SciShow
3 Chemistry Experiments That Changed the World
Chemistry is the study of matter - stuff, and how it interacts with other stuff. Even though chemistry doesn't make a lot of news these days, chemists are making discoveries that change lives all the time. If Hank had to narrow down all...
TED-Ed
TED-Ed: How to 3D print human tissue | Taneka Jones
There are currently hundreds of thousands of people on transplant lists, waiting for critical organs like kidneys, hearts and livers that could save their lives. Unfortunately, there aren't enough donor organs available to fill that...
SciShow
Can Vitamin C and Zinc Help Cure Colds?
You’ve probably heard that taking vitamin C or zinc will keep you from getting sick, but it turns out that those popular cure-alls don't actually work.
TED Talks
TED: How CRISPR lets us edit our DNA | Jennifer Doudna
Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases ... but...
TED Talks
TED: Every day you live, you impact the planet | Jane Goodall
Legendary primatologist Jane Goodall says that humanity's survival depends on conservation of the natural world. In conversation with head of TED Chris Anderson, she tells the story of her formative days working with chimpanzees, how she...
TED-Ed
TED-Ed: Can steroids save your life? | Anees Bahji
Steroids: they're infamous for their use in sports. But they're also found in inhalers, creams to treat poison ivy and eczema, and shots to ease inflammation. The steroids in these medicines aren't the same as those used to build muscle....
SciShow
Hydroxychloroquine and COVID-19: What We Know Right Now | SciShow News
You might have heard that we found a cure for the COVID-19, and that it comes from a drug we've used for centuries. But let's take a breath and look at the facts.