Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains.

Planarians are flatworms most known for being able to grow a new head if it gets cut off, but perhaps even stranger is the fact that their new head retains some of the memories from the old one. Hosted by: Michel Aranda

Most of us don’t really give fish scales a second thought, but for some fish, the scales of others can make for a tasty snack.

You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.

Did you know that nature contains clues that can uncover ancient earthquakes that occurred decades, or even centuries ago? Join us for a fascinating look into the world of ancient earthquakes, and see how yesterday's quakes compare to...

If you hear the word “baby-faced” you might picture a doe-eyed celebrity who never seems to age. But, really, you should be thinking of the axolotl. However, it is possible to transform these otherwise forever-babies, causing them to...

If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?

We know that everyone poops, but what is your poo actually telling you? Here on SciShow, we've talked a lot about poop and the science behind it—so today's episode is a compilation of answers to your poop related questions! Join Stefan...

When you think of herbs, you might picture rosemary, basil, or dill weed, but you can add something a bit bigger than that to your mental herb collection: good ol' bananas.

Have you heard of plant grafting? With this age-old trick, you can get a tree to bear fruit in half the time, not to mention a myriad of other miracles! Learn all about what grafting can do for you in this SciShow episode hosted by Rose...

Many folks in the southeastern US know that the invasive vine kudzu swallows cars, utility poles, and entire mountainsides. They may not know it also contributes to air pollution and even makes it harder for us to ensure that everyone...

When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes. Hosted by: Michael Aranda

In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?

What is this strange looking stuff? Is this branch just covered in fungus!? Well, it’s not fungus...but fungus DOES have something to do with it!

Is it possible that this century is the most important one in human history? The 21st century has already proven to be a period of rapid growth. We're on the cusp of developing new technologies that could entirely change the way people...

Join the Amoeba Sisters on this introduction to the human Skeletal System! This video first introduces several types of skeletal systems found in different organisms before focusing on the human endoskeleton. Then, this video takes a...

As the winter turns to spring, Squeaks and Mr. Brown begin planning the garden they’re going to grow this summer! But they need a little help, so The Fort’s gardener, Juniper, stops by to make sure they grow the best garden they can!

Jessi and Squeaks are making special valentines for all of their friends! And while they’re working they’re watching older videos to help them remember how they can make the best gifts!

After visiting Sam the Bat in his family’s cave, Squeaks is learning all about the rock icicles that are growing from the ceiling and the floor in the cave!

Every plant has different needs! So Mister Brown and Squeaks have asked their friend Juniper the Earthworm to teach them more about the things they want to grow in their garden and help them make a seed calendar so they know when to...

Summer is nearly here, and that means Squeaks and Jessi will be spending lots of time playing with dirt in the garden! But it won’t just be those two out there making their garden grow big and beautiful. They’ll be getting help from lots...

Jessi and Squeaks are eating some pancakes and learning all about their favorite pancake topping: maple syrup! Learn how maple trees use air, water, and sunlight to make sugar for the tree to use as food, called sap, and how humans...

Squeaks and Mister Brown are just about ready to start their garden, but first they want to learn all about how the tiny little seeds they'll plant in the ground will grow into vegetables they can eat! And Juniper stops by to explain how...

There's all sorts of life in the Redwood forest, but not just in the ground, different animals live in all layers of the Redwoods!