Pelagic red crabs are actually lobsters - and that’s not even the weirdest thing about them! They sometimes wash up on shore in droves, signaling large scale climate events like El Niños and serving as a warning to marine biologists of...

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.

When a freak tornado hit their hometown, sisters Caitria and Morgan O'Neill -- just 20 and 24 at the time -- realized they had to jump in and help. What they learned is: After a natural disaster, there's only a tiny window before the...

A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. Jonathan Foley shows why we desperately need to begin "terraculture" -- farming for...

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On a daily basis, you spend between a third and half of your waking hours daydreaming. That may sound like a huge waste of time, but scientists think it must have some purpose, or humans wouldn't have evolved to do so much of it. So,...

Welcome back to SciShow Talk Show where Hank talks with Dr. Jeff Good about seasonal animal adaptations. Special guest Jessi Knudsen Castañeda with Cas the Arctic Fox.

The United States has a lot more power outages than other countries do, and fixing this problem will be a massive undertaking.

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Across the United States, the average customer loses...

As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of...

At age 12, Freeman Hrabowski marched with Martin Luther King. Now he's president of the University of Maryland, Baltimore County (UMBC), where he works to create an environment that helps under-represented students -- specifically...

From cinnamon to Tide pods, “challenge videos” are dangerous. So why do people do them?

There are some foods that are so popular that they are at risk of going extinct. What are they and why is it so difficult to harvest them?

As organisms decompose their chemical and bacterial components can leach into the surrounding ground and water. The bodies buried in cemeteries are no exception.

Whether it’s for food, protection, or a little healthy grooming, a lot of animals of different species form some surprising mutualistic relationships in nature.

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AMERICAN BADGER...

Hank sets the record straight on some of the findings of NASA's GRACE mission and how they relate to predictions about sea level rise and climate change.

When two people are trying to make a deal -- whether they’re competing or cooperating -- what’s really going on inside their brains? Behavioral economist Colin Camerer shows research that reveals how badly we predict what others are...

The most cost-effective way to save a human life right now is to help give Vitamin A drops to certain groups of people, thanks to the health effects of the drops and the ease of their distribution.

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of...

This week on SciShow Space News, photos of Comet 67P and Pluto are helping us solve old mysteries and creating some new ones.

Speaking at LIFT 2007, Sugata Mitra talks about his Hole in the Wall project. Young kids in this project figured out how to use a PC on their own -- and then taught other kids. He asks, what else can children teach themselves?

Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course...

How can we begin to understand the way the brain works? The same way we begin to understand a city: by making a map. In this visually stunning talk, Allan Jones shows how his team is mapping which genes are turned on in each tiny region,...

Once the powerhouse of America's industrial might, Detroit is more recently known in the popular imagination as a fabulous ruin, crumbling and bankrupt. But city planner Toni Griffin asks us to look again -- and to imagine an...

In my lifetime, I have never lived one day of peace in my country, says Jose Miguel Sokoloff. This ad executive from Colombia saw a chance to help guerrilla fighters choose to come home -- with smart marketing. He shares how some...