ctopuses have the ability to solve puzzles, learn through observation, and even use tools - just like humans. But what makes octopus intelligence so amazing is that it comes from a biological structure completely different from ours....

A journey through infinite sums, p-adic numbers, and what it feels like to invent new math.

Many a joke has been made about scurvy and pirates, but it’s a serious disease caused by a lack of Vitamin C that still affects people around the world today. What’s wild, though, is that it shouldn’t exist - our distant ancestors used...

It's time to give paper passports a digital upgrade, says entrepreneur Karoli Hindriks. Looking to Estonia's technology-driven government for inspiration, she envisions a world where immigration is no longer hindered by bureaucracy and...

Is there any better way to create new energy than to make it out of consumed energy sources?

Poet and policymaker Aaron Maniam describes how the language we use to explain COVID-19 shapes the way we think about it -- whether it's as a "war," a "journey" or, as he suggests, an "ecology." He encourages us to explore a range of...

Netflix changed the world of entertainment -- first with DVD-by-mail, then with streaming media and then again with sensational original shows like "Orange Is the New Black" and "Stranger Things" -- but not without taking its fair share...

As the world's cities undergo explosive growth, inequality is intensifying. Wealthy neighborhoods and impoverished slums grow side by side, the gap between them widening. In this eye-opening talk, architect Teddy Cruz asks us to rethink...

Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.

Have you ever wondered what happens to a painkiller, like ibuprofen, after you swallow it? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to...

Carol Dweck researches “growth mindset” — the idea that we can grow our brain's capacity to learn and to solve problems. In this talk, she describes two ways to think about a problem that’s slightly too hard for you to solve. Are you not...

TeD Fellow Zubaida Bai works with medical professionals, midwives and mothers to bring dignity and low-cost interventions to women's health care. In this quick, inspiring talk, she presents her clean birth kit in a purse, which contains...

We've all heard the rumor that certain foods provides less calories than it takes to digest. Is this true? Check out this SciShow Quick Question to find out!

Don't panic! But you should really know about antibiotic-resistant bacteria, aka super bugs. They're here, and they're doing very well, thank you. SciShow explains what they are, how they're getting around our best drugs,...

SciShow Space reveals the discovery of a whole new kind of supernova, and the undead stars they leave behind.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter.


TERMS
Matter - physical
substances
Atoms - the basic un
it of elements
Conservation - the quantity of a...

Jacek Utko is an extraordinary Polish newspaper designer whose redesigns for papers in Eastern Europe not only win awards, but increase circulation by up to 100%. Can good design save the newspaper? It just might.

To all appearances, Eleanor Longden was just like every other student, heading to college full of promise and without a care in the world. That was until the voices in her head started talking. Initially innocuous, these internal...

When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.

Bitten by a venomous snake? There's hope! French scientist Albert Calmette developed the first snake antivenom in the late 1890s, and did such a good job that we use his technique to this day. Antivenom works by stimulating the...

Rovers like Curiosity search for life on Mars using rock and soil samples, but why don't they examine liquid or frozen water?

Inspired by cell division, Michael Hansmeyer writes algorithms that design outrageously fascinating shapes and forms with millions of facets. No person could draft them by hand, but they're buildable -- and they could revolutionize the...

NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.

The brain of luchador Hanko wants to take on the worlds fastest supercomputer, "K," in a cage match for bragging rights - which one is the most impressive information processor?