Animals use all kinds of tricks and adaptations to keep themselves safe from predators, but armadillos stand out for a really special reason: they have their own, built-in suit of armor!

What is the derivative of a^x? Why is e^x its own derivative? This video shows how to think about the rule for differentiating exponential functions.

How to implement Hamming Codes with xors

It requires a certain attitude to brave the elements of Antarctica. Luckily, the Antarctic midge has a set of adaptations that fit the bill.

Love is a complicated combination of brain chemicals and behavior that scientists are only just beginning to figure out. And it's remarkable that in every society that we have looked at on Earth, romantic love exists. So if love is so...

Earlier today, mission specialists with NASA's Mars Science Laboratory announced that they have found, for the first time, evidence of an ancient environment on Mars that could have sustained life. Hank tells us the specifics in this...

Do you ever talk to your dog? Do they ever talk back? Humans and dogs have a truly amazing relationship, developed along an evolutionary journey that goes back nearly 10,000 years. Do they really understand what we say, think, and feel?...

There is one ocean creature that is so strong, it could punch its way out of most aquariums, and it's only 30 centimeters long!

A proof of the Wallis product for pi, together with some neat tricks using complex numbers to analyze circle geometry.

During the 2017 Project For Awesome livestream, I promised I'd make a tuatara video if we hit our fundraising goal, and I'm a man of my word! Little did I know I'd get to meet a tuatara and learn things about a 200 million year old...

Why do cats love to hang out in boxes so much? It has something to do with being stone cold predators. And, a little anxiety.

Humans have never visited another planet, but we can send special spacecraft called probes to visit them for us! One of those probes, called Voyager 1, has gone deeper into space than any other, and it's sent us some amazing pictures...

This vine loves sucking the life out of plants AND insects.

When Bran Ferren was just 9, his parents took him to see the Pantheon in Rome — and it changed everything. In that moment, he began to understand how the tools of science and engineering become more powerful when combined with art, with...

Aliens! Could humans really be alone in this expansive universe? And if we're not, how come we've never made contact with other intelligent life? Everyone's thought about it; especially members of the scientific community. Join Gabe as...

Beverly + Dereck Joubert live in the bush, filming and photographing lions and leopards in their natural habitat. With stunning footage (some never before seen), they discuss their personal relationships with these majestic animals --...

Bats sleep upside down, so how come they don't fall? Turns out that they've got some unusual legs.

If you've ever tried to make out something that was really far away, odds are you squinted while doing it. It's basically involuntary! But does narrowing your field of vision really help you see things better?

One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad...

It's Thanksgiving in the US, so everyone's got turkey on the brain. And sure, turkeys are great, but there are lots of other cool birds that just don't get their due! So SciShow has put together a collection of episodes honoring some of...

Why is there something instead of nothing? In other words: Why does the universe exist (and why are we in it)? Philosopher and writer Jim Holt follows this question toward three possible answers. Or four. Or none.

M31N 2008-12a is a rare phenomenon called a recurrent nova, and it may hold the key to understanding the lives and cataclysmic deaths of massive stars.

The speed of light is often cited as the fastest anything can travel in our universe. While this might be true, the speed of light is the EFFECT and not the CAUSE of this phenomenon. So what's the cause? On this week's episode of Space...

Global problems such as terrorism, inequality and political dysfunction aren't easy to solve, but that doesn't mean we should stop trying. In fact, suggests journalist Jonathan Tepperman, we might even want to think riskier. He traveled...