Bats and Echolocation

2 cards. Each one is a 40-second story with a five-minute read behind it.

1. The brain can turn sound into a three-dimensional visual mapDaniel Kish doesn't just hear his surroundings; he processes them as images. By using vocal clicks to navigate, he activates the same neural pathways used by sighted people to per…
2. The world's largest mammal concentration lives in a Texas sinkholeEvery spring, 20 million Mexican free-tailed bats travel up to 1,000 miles from Mexico to a single cave in Texas. This massive migration creates one of the most dense biological g…

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