Bats' brains are able to figure out how long it takes an echo to return. Using the time of the echo 's return, a bat is able to tell how far away an object is. Believe it or not, bats' brains are ...

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(Bats and agaves make tequila possible—and they're both at risk) Lesser long-nosed bats were already in trouble due to habitat loss, but thanks to determined conservation efforts made it off the ...