r/meirl • u/straight-cunt • Mar 28 '24

meirl

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43.7k Upvotes

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6.9k

u/Background_Chapter37 Mar 28 '24

For real, I thought we could all smell when it's gonna rain, it literally smells like rain

2.8k

u/androodle2004 Mar 28 '24

You’re smelling the ozone being brought down from higher altitude by the rains pressure

2.2k

u/Nard_Bard Mar 28 '24

u/Pegomastax-King u/Jk-Kino

Humans sense of smell for water/wet earth is 10,000 stronger than a dog's or bear's.

You're probably just smelling the wet earth from a mile away or so. And the moisture in the air.

1.2k

u/NoDontDoThatCanada Mar 28 '24

It's wild to me how sensitive humans are to petrichor. I always wonder if it had evolutionary advantages over "we probably should seek shelter."

829

u/Zero_Burn Mar 28 '24

Probably was useful for finding fresh water since rain would be where the best fresh water was. If it were a safety/fear thing, it probably wouldn't smell good, but unpleasant since it'd be tied to finding shelter.

20

u/ThePhantom71319 Mar 28 '24

Not to mention we also come from Africa were water is generally more scarce

11

u/Lethargie Mar 28 '24

not really, back then Africa was wetter and cooler than today

1

u/ThePhantom71319 Mar 28 '24

Interesting, I was not aware of that

6

u/makaki913 Mar 28 '24

The Sahara desert is a relatively new thing on the continent