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 discuss the roles of melanin, melanocytes, and enzymes like tyrosinase in hair pigmentation, and how an imbalance in hydrogen peroxide levels within hair follicles can lead to gray hair.
Yesterday
Fun Fact or Fake Factoid?! Game Rematch (with Claire Caballero)
In this bonus episode, we host a rematch of our game “Fun Fact or Fake Factoid” with Claire and Jam, using stricter rules: each claim must be entirely true or false as worded, and the winner earns a treat. We test statements about pregnancy-related brain changes, koala fingerprin ... Show More
33m 32s
Feb 27
How do MRIs see inside our bodies, in 3D? (with Claire Caballero)
MRIs are loud. They’re huge. They’re magnetic. But what are they actually doing? This week, we bring Claire back to help us connect the dots between NMR (yes, organic chem flashbacks) and MRI. How does a technique built on tiny hydrogen protons turn into a 3D image of your brain? ... Show More
1h 9m
Mar 2024
Why does our hair turn grey as we get older?
Discovering your first grey hair can be quite the shock. After all, it marks the onset of an irreversible change. And the fact that it’s a natural process is often of little consolation.
The culprits, if you want to think about it like that, behind our hair turning grey are the ... Show More
4m 53s
Feb 2024
Why We Get Depressed with Heather Berlin
<p>What is depression? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly break down the neuroscience behind major depression, its treatments, and the factors that contribute to this pervasive condition with neuroscientist Heather Berlin, PhD.</p><p>NOTE: StarTalk+ Pat ... Show More
46m 53s
