A study found that narrow nostrils evolved in people from cold climates—their noses had to warm the air before it hit their lungs.
A study found that narrow nostrils evolved in people from cold climates—their noses had to warm the air before it hit their lungs.
— UberFactsNG (@FactAlways) March 19, 2017
from Twitter https://twitter.com/FactAlways
March 19, 2017 at 11:48AM
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