TED-Ed
TED-Ed: The original ring of power | Alex Gendler
More than 2,000 years ago, the Greek philosopher Plato recounted the legend of the Ring of Gyges in "Republic." The story of the ring surfaces as the philosopher, Socrates, and his student discuss why people act justly: is it because...
TED Talks
TED: The case for a 4-day work week | Juliet Schor
The traditional approach to work needs a redesign, says economist Juliet Schor. She's leading four-day work week trials in countries like the US and Ireland, and the results so far have been overwhelmingly positive: from increased...
SciShow
When Insomnia Becomes Deadly
For most people, insomnia won't kill you. But in one very rare, very specific case, not only is it deadly, it's lurking in your genes.
SciShow
Why Can't My Cat Roar?
Only four species in the cat family can roar: lions, tigers, leopards, and jaguars. And zoologists are pretty sure those four species can't purr. But why?
Crash Course
The War of 1812 - Crash Course US History
In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very...
SciShow
New Genetic Clues to the Mystery of Your Giant Brain
Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big.
SciShow
5 Things We Can Learn From Alaska
Science probably isn’t the first thing that pops into your head when you think about Alaska, but it has a lot to offer when it comes to learning about the world, from cold corals to our behavior.
SciShow
Sleep: Why We Need It and What Happens Without It
What happens when you don't sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!
Bozeman Science
Evolutionary Significance of Cell Communication
Paul Andersen describes how cell communication is used in both single-celled and multicellular organisms. He starts by describing the symbiotic relationship between the bobtail squid and the bacteria Vibrio fisheri. He explains how...
SciShow Kids
What Happens If You Swallow Gum?
Jessi swallowed her gum and was worried that it would stay in her stomach for 7 years! Could this really happen? What makes gum so different from other food?
TED Talks
Jeffrey Kluger: The sibling bond
Were you the favorite child, the wild child or the middle child? Jeffrey Kluger explores the profound life-long bond between brothers and sisters, and the influence of birth order, favoritism and sibling rivalry.
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
SciShow
Why Thai Shrimps Parade on Land
Every year, tiny shrimp do something strange on the banks of a river in Thailand: they get out of the water and walk on the land! Why do they take this risky path?
SciShow
Dual-Sex Butterfly and the Risks of ... Oxygen
SciShow News shares the latest science headlines, including a newly-found butterfly that’s half male and half female, and new insights into the association between cancer and … breathing.
TED Talks
Wajahat Ali: The case for having kids
The global fertility rate, or the number of children per woman, has halved over the last 50 years. What will having fewer babies mean for the future of humanity? In this funny, eye-opening talk, journalist (and self-described exhausted...
TED Talks
Gregory Stock: To upgrade is human
In this prophetic 2003 talk -- just days before Dolly the sheep was stuffed -- biotech ethicist Gregory Stock looked forward to new, more meaningful (and controversial) technologies, like customizable babies, whose adoption might drive...
SciShow
Why Do Pineapple and Kiwi Ruin Gelatin?
Adding the wrong fruits to your gelatin can turn it into a big, goopy mess. But understanding why this happens can help you learn how to make better desserts, and level up your cooking game in general.
SciShow
Raccoons Don’t Really Wash Their Food
Raccoons are famous for "washing" their food, but this behavior, called dousing, isn't really about cleanliness.
SciShow
We Don’t Know How To Type
When we type, our brain is doing most of the work without our conscious input. So you can blame your brain for al teh typsos.
TED Talks
TED: A prediction for the future of Iran | Bruce Bueno de Mesquita
Bruce Bueno de Mesquita uses mathematical analysis to predict (very often correctly) such messy human events as war, political power shifts, Intifada ... After a crisp explanation of how he does it, he offers three predictions on the...
SciShow
This Collision Could Have Created the Solar System | SciShow News
A dwarf galaxy crashing through the Milky Way billions of years ago could have set off periods of star formation, and astronomers recently captured a rare flashing phenomenon that only shows up in the sky for a few days!
SciShow
What Happens If You Leave Stitches in for Too Long?
Leaving your stitches in too long can have some serious consequences.
PBS
Strange Stars
What happens when matter can't get any denser yet somehow does? The answer - it becomes strange. Strange Stars may be the most massive stellar remnant that is just shy of forming a black hole. And they could be even cooler than black holes.
SciShow
New Earth-Size Planet and a Solar Eclipse
Caitlin Hofmeister gives you the latest news from around the universe, including Kepler's latest exoplanet discovery, an upcoming solar eclipse, and a breathtaking image from Hubble.