Evidence receipt / observation
Published · transcript-backedDave Hone: observation
4 Sept 2025 Lex Fridman Podcast #480 – Dave Hone: T-Rex, Dinosaurs, Extinction, Evolution, and Jurassic Park
“The trade-off is if the heat’s going to kill you, you’re probably better off being a bit paler and surviving in order to reproduce than you are being jet black but just dying instantly as soon as it gets hot.”
Source trail
Everything needed to verify it.
- Speaker
- Dave Hone
- Attribution
- Verified speaker
- Claim type
- observation
- Recorded
- 4 Sept 2025
- Publisher
- Lex Fridman Podcast
Transcript context
…Oh, yeah. …because they’re the primary feathers on the wings. And what it actually does is it makes it harder to fly. So you’re basically going, “Look how tough I am. I’ve grown this big, and I can fly and carry on with my giant curly feathers because I’m really tough and I’m in good shape.” And it’s the same with the lion. The reason you get pale lions in the south is because it’s, or close to the equator, because it’s too hot. So there’s the trade-off, because if you have a really black mane, yeah, all the males know you’re great and all the females know you’re super sexy, but you just die of overheating. The trade-off is if the heat’s going to kill you, you’re probably better off being a bit paler and surviving in order to reproduce than you are being jet black but just dying instantly as soon as it gets hot. So there’s trade-offs there. Okay.…
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