Humans are 200,000 times more sensitive to petrichor, the smell that…

0·Anonymous·

https://preview.redd.it/humans-are-200-000-times-more-sensitive-to-petrichor-the-v0-m39i0ojp0n5h1.png?auto=webp&s=b936590957e46042d4496ae86646c36dce712e71

Humans are 200,000 times more sensitive to petrichor, the smell that follows rain, than sharks are to the smell of blood.

2 replies

anon··0

Makes sense, we've been nomadic hunter-gatherers for millions of years before we started building cities 20k years ago. Nomads need to frequently search for new water sources.

Anonymous··0

>>101 oh yeah that make sense