Kristen Marhaver studies corals, tiny creatures the size of a poppyseed that, over hundreds of slow years, create beautiful, life-sustaining ocean structures hundreds of miles long. As she admits, it's easy to get sad about the state of...

Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn't it?

What if you knew what your coworkers really thought about you and what they were really like? Ray Dalio makes the business case for using radical transparency and algorithmic decision-making to create an idea meritocracy where people can...

This is the updated Amoeba Sisters human organ systems video, which provides a brief function introduction to each of the 11 human organ systems. Table of Contents: Intro 00:00 Levels of Organization 0:49 Circulatory 1:39 Digestive 2:40...

Mountains take can take billions of years to form, but the Adirondack Mountains got ahead by recycling itself.

Tom Wujec presents some surprisingly deep research into the "marshmallow problem" -- a simple team-building exercise that involves dry spaghetti, one yard of tape and a marshmallow. Who can build the tallest tower with these ingredients?...

Peering into the eyes of different animals, you'll see some extraordinarily shaped pupils. House cats, for one, are twilight hunters with vertically elongated pupils. Many grazing animals, like goats, have rectangular pupils. Other...

The Brodie helmet, widely used during the first World War, had some serious design flaws, . But thanks to those flaws we now have a staggeringly accurate map of the brain.

Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it - but what about other species? How do the...

You've promised to get your son the cutest creature in creation: the cuddly. It's part of the Wuddly species, cousin to the terrifying duddly and the hideous fuddly. To make one, 100 eggs are placed in an incubator to undergo egg fusion,...

New Horizons is teaching us all about Pluto! And it's definitely not what we were expecting.

Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt...

What if you could help decide how the government spends public funds in your community? That's the idea behind participatory budgeting, a process that brings local residents and governments together to develop concrete solutions to real...

For most jobs, it's understood that you can be fired _ whether for crime, incompetence, or just poor performance. But what if your job happens to be the most powerful position in the country _ or the world? That's where impeachment comes...

Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.

The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches...

In general, a star’s size will determine its final destiny. Some stars fizzle out, while others explode, and what seals their fate may come down to a curious, cannibalistic process happening inside their cores!

Cow, almond, soy, goat. There are a lot of choices when it comes to milk, but if you're looking for that nutritious boost of vitamins and minerals in the morning, have you considered cockroach milk?

A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We're one of the select few mammals on Earth that menstruate, and we also do it more than any other animal, even though it's a waste of nutrients, and...

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it...

Soybeans have been cultivated in Asia for thousands of years, and have since spread across the globe. Today, soy is in so many foods that most people consume it every day without even knowing it. So, what makes soybeans so versatile? And...

Not only is this gecko adorned with beautiful coloration, but the same thing that makes it look so pretty could help us understand where some our cancers come from and how to stop them from progressing!

Computer graphics trailblazer Paul Debevec explains the scene-stealing technology behind Digital Emily, a digitally constructed human face so realistic it stands up to multiple takes.

The Fez River winds through the medina of Fez, Morocco—a mazelike medieval city that's a World Heritage site. Once considered the "soul" of this celebrated city, the river succumbed to sewage and pollution, and in the 1950s was covered...