In 1977, a farmer was plowing his field on a plateau high in the Andes mountains when he stumbled upon a giant fossilized skeleton. How did this giant marine reptile end up high in the Andes Mountains?

Why are trees and other plants green? Seems like a simple question. But the answer is full of surprises. Using a special camera that can pick up light just beyond the visible range, into the near-infrared, you’ll get to see trees like...

Sometimes the world's biggest issues can seem so intractable that meaningful change feels impossible. But what if the answer has been right in front of us all along? What if the answer is actually throwing money at the problems? In this...

We've all gotten a little carried away with the baby talk at an animal that may not be a human baby. But there's a lot of research into exactly how much your sweet little fluffy-belly baby actually understands - and it's more than you...

Volcanoes might seem like an unstoppable force of nature - but there is at least one OTHER force on Earth that seems to be able to keep them down.

There are two types of rain, and one of them is almost impossible to forecast.

A simple mis-folding in a certain brain protein causes a disease for which we have no cure.

Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.

What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of puzzles we thought were hard turned out to be easy? Mathematicians call this problem P vs. NP, it...

Scientists have observed a new parasitic behavior between a wasp and a social species of spider, where the spider re-learned an ancestral behavior!

What on earth is a xenophyophore? It's a single-celled organism that unlike what you might think is NOT microscopically small. In fact, these ocean dwellers are a little heftier than that! Learn all about them in this new episode of...

If you’ve ever been scratching a dog and seen them do the kicky leg thing, it’s truly adorable. But it might not necessarily be a feel-good thing.

From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?

You may have had an ultrasound before, and wondered what that gel does. Well, that weird alien goop has a purpose, and it has to do with being like our weird human skin.

Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place?

You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it! Hosted by: Hank Green

Some bacteria seem to be using a type of memory to help them alter future behaviors, based on their past experiences.

The Gros Michel banana lost the battle with fungus in the 1950s, but was replaced by the Cavendish. This time we might not have a new banana to come to the rescue. Could this be the end of bananas? Hosted by: Hank Green

Do you just hate those little bumps all over your nose? Don’t be a hater, they’re just doing their job! Learn how in this SciShow Quick Question.

2017 has been an eventful year, so as it comes to a close we'd like to look back at some of its most superlative science.

Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires? Hosted by: Michael Aranda

Have a problem with many competing variables? Why not solve it with a computer algorithm based on cooling metal?

Learn how magnetic bacteria work, and how scientists think they can help technology in the future!

It took some time for us to realize it isn’t the best idea for scientists to experiment on themselves. But along the way, sometimes at the expense of the health of scientists, we have gained crucial insights into their areas of study.