Today, about a third of the world's population is infected with a strange disease called toxoplasmosis - and most of them never even know it. And while the parasite can multiply in practically any host, it can only reproduce sexually in...

Those eerie shining orbs staring at you from the bushes when you take the trash out at night could be any number of animals, but why do their eyes glow like that?

Cats are known for having fantastic night vision, but why is it during the day my cats can't see the treat that I'm putting right in front of them?

This video is about Hardy's Paradox, wherein an electron and positron (or photons polarized horizontally and vertically) pass through Mach-Zehnder interferometers that overlap such that the particles have a chance of annihilating. If...

It seems like the easiest way to avoid tiny parasites is to just slap on your animal’s tick or flea collar and hike into the woods worry-free. But you definitely shouldn’t.

Cats and dogs have it tough: They can't use straws, or tip a cup up to their mouths to drink. Instead, they have to use their tongues and a few different physics tricks to quench their thirst.

Jessi and Squeaks love to race each other! They can both run pretty fast, but there's one animal they'd never be able to beat: the cheetah! Join us to learn all about this super speedy cat!

The previous videos in this series:

Chapter 1: Why Relativity is
Hard
Chapter 2: Spacetime

Diagrams

This video is chapter 3 in my series on special relativity, and it covers boosts, galilean transformations,...

To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals, on the other hand, experience a rich and varied world, bursting with details, shapes, and colors. What is it, then, that separates moths from men?...

We know how to clone animals, so why aren't we saving endangered species by cloning their populations?

This video is about how causal models (which use causal networks) allow us to infer causation from correlation, proving the common refrain not entirely accurate: statistics CAN be used to prove causality! Including:...

In this collection of classic MinuteEarth videos, we learn more about the planet’s two favorite pets.

Genetics are extremely complicated—so complicated that having an extra finger or toe, for example, is exceedingly rare despite it being caused by a dominant gene.

Here in North America it's the time of year that we have a little more jingle in our bells than usual, but luckily there's a lot of science to explain exactly why music mistles our toes the way it does.

...

The classical physics that we encounter in our everyday, macroscopic world is very different from the quantum physics that governs systems on a much smaller scale (like atoms). One great example of quantum physics' weirdness can be shown...

Join the AI conversationp://AgeofAI.org' target='_blank' rel='nofollow'>conversation That video was based on Max’s book "Life 3.0”, which you can find at We live in...

Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.

There are a few animals that will instinctively lick their wounds when injured. SciShow Quick Questions explores the reasons why they do this, and why we sometimes have to stop them from doing it.

In which Mike Rugnetta brings you the final installation of our unit on creation myths. This week, we're talking about human beings and their relationship to the natural world. It turns out foundational stories have a lot to teach us...

Explore some of the planet’s most extraordinary islands — from Bishop Rock, the world’s smallest island with a building that once housed lighthouse keepers, to the cat-filled paradise of Tashirojima, where furry friends outnumber people.

Improve your English with our original drama series. In this episode, you’ll hear real English conversations, learn everyday expressions, and practice listening comprehension in a fun, story-driven format. For learners at the...

The good thing about young cats is they can bounce right back despite some awkward landings.

This video is answering the question of what did Vikings give their brides.

This video is answering the question of can a cat own money.