Dr Karl Podcast Shark repellants, going grey and the sixth sense
Oct 17, 2024
Zoe Kean, a Tasmanian science communicator and author, teams up with Ruben Meerman, the 'surfing scientist' known for his physics expertise, to explore fascinating scientific concepts. They discuss the effectiveness of shark repellents for surfers and whether humans might evolve cancer immunity. The duo also dives into the intriguing nature of shadows and the reasons for premature greying, incorporating engaging personal stories and insights on wildlife. A lively conversation that balances humor with thought-provoking science!
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Elephant Genetics Discovery
- A master's student discovered elephants' extra TP53 copies using a genetic database.
- This finding has led to research on cancer-fighting drugs inspired by elephant genetics.
Atoms, Thoughts, and Shadows
- Our thoughts originate from electrical impulses in our brain, driven by charged atoms.
- Shadows, however, are simply the absence of light, not made of atoms.
Gray Hair Causes
- Going gray is primarily influenced by genetics, but stress and UV exposure also play a role.
- Oxidative stress and hair dye chemicals may contribute to premature graying.