TED Fellow and chemosensory researcher Paule Joseph unveils the hidden power of a sense that's too often overlooked: smell. She delves into the science behind smell — from how it evokes memory and emotion to its potential for early...

It's no secret that cold can help treat a source of pain, like a sprained ankle or even a burn. But new technology might be able to take that principle and apply it /directly/ onto your nerves!

Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.

Sometimes, plants do unexpected things. Like control their own body temperature.

Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness. Hosted by: Michael Aranda

Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...

Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness.

Difficult emotions can get under your skin if you're not careful. Sport and performance consultant Jessica Woods calls this the "jumping cholla effect," inspired by a sneaky kind of cactus that detaches and burrows its spines into...

Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.

Today we wrap up our discussion of the media by talking about how the government interacts with and influences the content we see. Now it may be easy to assume that because we live in a free-market capitalist society, the only real...

Two teams of scientists in two different parts of the world discovered a previously unknown neuron, which might have a lot to do with what makes humans, human.

Plenty of robots can fly -- but none can fly like a real bird. That is, until Markus Fischer and his team at Festo built SmartBird, a large, lightweight robot, modeled on a seagull, that flies by flapping its wings. A soaring demo fresh...

Within every cell in our body, two copies of a tumor suppressor gene called BRCA1 are tasked with regulating the speed at which cells divide. Michael Windelspecht explains how these genes can sometimes mutate, making those cells less...

Sphincters -- they're not just for butts! Hank explains the fascinating truth about these magic rings of muscle, where they appear in the human body and the pretty fantastic functions they perform in the animal kingdom.

Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...

After a bad day, you might feel like you deserve a treat and order that pair of shoes you've had your eye on. But psychologists have wondered if that impulse purchase can end up leaving you feeling more unfulfilled than happy.

Not only is this gecko adorned with beautiful coloration, but the same thing that makes it look so pretty could help us understand where some our cancers come from and how to stop them from progressing!

Ever wondered what happens to your body if you don't get enough water? Our bodies are mostly water by weight, so in today's episode of SciShow Hank explains what happens to your body as it starts to shut down when you go without that...

Paul Andersen gives you a brief introduction to the cell membrane. He starts by describing amphipathic nature of a phospholipid and how it assembles into a membrane. He gives an overview of the fluid mosaic model inside cells. He...

Sometimes, plants do unexpected things. Like control their own body temperature.

Howcast - Learn yoga poses that help you sleep from certified yoga instructor Chelsey Korus in this Howcast video.

Howcast -Learn how to handle an autism tantrum from pediatrician and child development expert Asma J. Sadiq, M.D. in this Howcast video.

Pupil outcome: I can understand how the biosphere regulates the atmosphere and provides important environmental services. Key learning points: - The biosphere regulates the composition of the atmosphere. - The biosphere maintains soil...

The cell cycle is a highly regulated process of eukaryotic cell division involving interphase (G1, S, G2 phases) for growth and DNA replication, followed by mitosis for chromosome segregation and cell division. Progression through the...