In 1968, the American Heart Association made an announcement that would influence people’s diets for decades: they recommended that people avoid eating more than three eggs a week. Their reasoning was that the cholesterol packed into egg...

A world without predators. It sounds like a safer, happier world, but come on, this is science…

It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?

How to Subtract By Adding

Squeaks and Jessi are learning all about the animals that live at the bottom of the world, including penguins - emperor penguins, macaroni penguins, and more! We learn why penguins look like they're all dressed up, and what kind of food...

Jessi and Squeaks explore two of the windiest places on Earth: Mount Washington in New Hampshire, USA, and Commonwealth Bay, Antarctica.

Have you answered a work email during an important family event? Or taken a call from your boss while on vacation? According to behavioral scientist and Harvard Business School professor Ashley Whillans, "always-on" work culture is not...

Since the start of the Israel-Hamas war, news and social media have been filled with horrific images and stories of civilians killed, wounded and taken hostage. This information can be especially tough for kids to digest. Duke University...

Most people don't love cockroaches. And thanks to that lack of love, the females of one species of cockroach might not love their males looking for love. But lucky for both of them, evolution might be finding a way around it.<br/>

Everyone loses their temper from time to time — but the stakes are dizzyingly high when the focus of your fury is your own child. Clinical psychologist and renowned parenting whisperer Becky Kennedy is here to help. Not only does she...

The U.S. faces a growing shortage of physicians, especially those in primary care fields like internal medicine, mental health and pediatrics. The shortfall is driven by population and demographic trends and burnout. Fred de Sam Lazaro...

What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of puzzles we thought were hard turned out to be easy? Mathematicians call this problem P vs. NP, it...

In 1965, MIT's Lincoln Laboratory saw their Lincoln Calibration Sphere 1 (LCS-1) launched into Earth orbit. It was an empty aluminum sphere and couldn't do any science of its own. But the world's most boring disco ball has played a huge...

Is there actually a cure for cancer? A universal cure would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident. Watch this new episode of SciShow and find out more! Hosted by: Hank...

There are lots of unsolved mysteries in the world of math, and many of them start off with a deceptively simple premise, like: What's the biggest couch you can slide around a 90-degree corner? Hosted by: Michael Aranda

A man walks in to a hospital super drunk... but claims he hasn't had a sip of alcohol. Join us today for SciShow medical mystery!

In a talk from the cutting edge of technology, OpenAI cofounder Greg Brockman explores the underlying design principles of ChatGPT and demos some mind-blowing, unreleased plug-ins for the chatbot that sent shockwaves across the world....

More than 30 million people in the US are eligible to have their arrest and conviction records cleared -- but most people who qualify either can't afford it or simply don't know it's an option. In this gripping talk, second chance...

Physician shortages, as well as cost and distance, can make specialty care prohibitive for many low-income patients. A nonprofit aims to tackle those challenges by utilizing telehealth technology and retiring, volunteer doctors. Special...

Growing class division is destabilizing our society, argues author and philosopher Matthew Stewart in a provocative Atlantic magazine cover story. He says there's a group in between the top 0.1 percent and bottom 90 percent that plays an...

Afghanistan has suffered immeasurable loss for years on battlefields and in

bombings, but a recent campaign of assassinations has shocked the cou
ntry.
Kabul's middle class neighborhoods are stalked and targeted b
y...

As the American Library Association bestows its 2018 "I Love My Librarian" awards, librarian Kristen Arnett expresses her humble opinion on why visiting a library is the best way to show your appreciation.

On the front lines of Mosul, Iraq, two young American volunteers aid those injured in battle. Pete Reed and Derek Coleman treat Iraqi soldiers and civilians right in the path of fire, far closer than other medical providers. Without...

John Hope Franklin, a descendent of slaves and recipient of the Presidential Medal of Freedom for his work in civil rights, talks about his autobiography