BrainStuff Classics: What Determines You...

Tungsten's boiling point is over 10,000 degrees Fahrenheit, and as tungsten carbide, it's one of the hardest materials we know. Learn how it's used for everything from armor-piercing bullets to electron microscopes to ballpoint pens in today's episode of BrainStuff, based on this ... Show More

Without the hippocampus, our brains have serious trouble recalling and recording certain types of long-term memories. Learn how this brain structure works in today's classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous- ... Show More

In 1926, detective novelist Agatha Christie disappeared for 11 days under strange circumstances. Learn about her life and record-setting, best-selling works (second only to the Bible and Shakespeare) in today's episode of BrainStuff, based on this article: https://entertainment.h ... Show More

Why do humans have most of our hair on our heads, not our bodies? Why do we have so many varieties of hair color, thickness, and curliness? Dr. Tina Lasisi is a biological anthropologist whose work explores these evolutionary mysteries. In this episode, she shares her research in ... Show More

Research at the intersection of science and beauty is providing us with a better understanding of hair diversity. This podcast was produced for L’Oréal by Scientific American Custom Media, a division separate from the magazine’s board of editors. Learn more about your ad choices. ... Show More

This episode looks at the science of hair – what is it made of, why does it come in different shapes, and why does it go grey when we get older? Matilda is a science writer at the Royal Institution of Australia’s Cosmos Magazine with a background in bioethics and microbiology. Sp ... Show More

<p>Do redheads have it worst? Listen in to learn more about history's original ""dumb blonde"" and how yellow hair took on its various meanings -- including how and why hair color colors our perceptions of people in this classic episode.</p><p> </p> Learn more about your ad-choic ... Show More

<p><strong>#187</strong></p> <p>This episode of 'Chemistry for Your Life' delves into the fascinating world of gray hair, exploring its chemistry and biological processes. Hosts Melissa and Jam share personal anecdotes about encountering gray hair before diving into a detailed ex ... Show More

All the different colors in our eyes, hair and skin are made by a super special substance called melanin! In this episode, we’ll meet a melanocyte, the artistic cell that makes melanin. Plus, Molly and cohost Jeremy talk with Dr. Tina Lasisi to learn why humans have so many diffe ... Show More

Why does human hair go grey and is it ever possible for it to go white overnight from shock? Hannah and Adam explore why hair goes grey, how much stressful life events and a lack of sleep can speed up the process. They hear from the pilot whose hair turned white after a flight wh ... Show More

<p>Hair is an important part of our identities – straight, frizzy, long, not there at all – and our efforts to keep it styled and clean have created an $80 billion hair care industry. Many products offer to improve the life of the stuff on our heads, but isn't it all just dead pr ... Show More