Future advances in engineering may come from chemistry. From molecular motors to salt-shaker-drug-deliverers, the future looks small.

Toxic waste, by definition, is harmful to living things, but there are actually a bunch of plants, animals, fungi, and microbes that can help us clean it up! Hosted by: Olivia Gordon

Usually when you think of evolution or natural selection, you think of survival of the fittest. But sometimes, the resulting traits of evolution aren’t the most efficient solutions to the problems at hand. With the bar set to “good...

Unless you saw the spider bite you, that swollen, bite-looking lesion on your arm is probably something else, and blaming it on an innocent 8-legged critter might do more harm than good. Hosted by: Stefan Chin

How is it that you can be looking at a distinct object in front of you, yet picture something entirely different in your mind? The inner workings of what’s happening in our brains to allow this is a puzzle that scientists are now...

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...

Have you ever found yourself seeing images right before falling asleep? You might be experiencing hypnagogia.

Nearly 40 percent of humanity lives near a coast -- and no two coasts are the same. How can these communities build resilience to the increasing risks of climate change? Climate advisor Dave Sivaprasad outlines how to tackle this complex...

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!

Jessi and Squeaks learn all about pine cones and their seeds today! Did you know that pine cones can open and close to help protect their seeds?

Today, Jessi and Sam the Bat take a look at constellations. Humans have been looking up at the sky for a long time and seeing all kinds of pictures hidden in the stars!

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...

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...

If you were looking down at the Earth from space, what would you be able to see? Do you think you would be able to see your house? What if you were super far away?

John Green is teaching history again. This time, we're looking at the history of Europe in 50 episodes. We'll start at the tail end of the so called Middle Ages, and look at how Europe's place in the world has developed and changed in...

In this video Paul Andersen explains the differences between a system and an object. Depending on the scale it often times easies to view a system as an object if the constituent parts aren't relevant to the question being asked. He...

In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ancestral structures of the brain, the limbic system, and new structures of the brain. Plus, what does...

Obviously, you can’t just plant a chip in someone’s head and start manipulating their thoughts and behavior, but doctors and scientists CAN use electricity to activate or inhibit certain parts of the brain. And they can use this power to...

Dr. Orion Berryman talks with Hank about the cool chemistry going on in his lab, and Jessi from Animal Wonders brings in Prickle the Hedgehog!

Decades after being made illegal in the United States, new research into LSD is showing that it may have a variety of medical uses!

In this video Paul Andersen describes the new AP Biology Exam. This exam will be given for the first time in May of 2013 and will be different from all previous exams. In this video Paul Andersen describes the scoring and the two parts...

Squeaks has a big problem! Every year, he grows lettuce in the Fort's greenhouse, but this year it just won't grow. Luckily, Mister Brown knows someone who can help Squeaks and his lettuce: botanist and inventor George Washington Carver!...

In this video Paul Andersen explains how information is processed in in animals. He starts by describing the different forms of information and how they are received by receptors. He explains how information is received by the brain...

We’ve been studying the body for most of human history, and yet we are still finding new organs (or parts of them - depending on your definition). Also, thanks to some marmosets, we know a little more about how anxiety and depression...