What Determines Your Hair Color?

Canning foods preserves them, but the texture and nutritive value can suffer -- and what about the potential dangers of BPA and botulism? Learn what's true and what's myth when it comes to canned food in this classic episode of BrainStuff, based on this article: https://recipes.h ... Show More

These marine invertebrates can solve puzzles, use tools, and camouflage themselves by changing their very skin -- yet they live only three to five years, and die after mating. Learn more about octopuses in today's episode of BrainStuff, based on these articles: https://animals.ho ... Show More

Iron processing is a benchmark of civilization for good reason -- this metal makes a lot of technology possible. Learn about the history and science of refining iron and steel in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/iron.htmSee o ... 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

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

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>Science doesn't have a good explanation for why we sense color, yet it is everywhere and affecting us all the time. But why should minutely different wavelengths of light have such an impact on our moods and motivations?</p><p> </p> Learn more about your ad-choices at <a href= ... 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

<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