Given that there is a living to be made at night, and alternative daytime trades are thoroughly occupied, natural selection has favoured bats.
bats
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seesaw
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gold
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rocket
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baam
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15
it was only a matter of time before weapons designers adapted it for the detection of submarines
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15
bats, or rather natural selection working on bats, had perfected the system tens of millions of years earlier
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15
Whenย dinosaurs dominated the daytime economy, our mammal ancestors only managed to survive because they found ways of scraping a living at night
ancient human
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15
Blind people, without even being aware of the fact, are actually using echoes of their own footsteps and of other sounds, to sense the presence of obstacles