superhero levels. An American from California, Daniel Kish, for example, is blind, but he can ride down crowded streets on a bicycle using a type of echolocation . Bats use echolocation to fly in the dark. They make noises that send out sound waves that hit objects and create echoes, signaling to the bats where the objects are. Daniel has a similar ability. He clicks his tongue and takes audio cues for the sounds that bounce back to him. It’s an extraor- dinary ability that demonstrates that seeing, hearing, touching, tasting, and smelling may go far beyond ordinary expectations. This volume also looks at the freaky phenomena of amazing memory, fire- walking, and aphrodisiacs.

Bats use sound waves to fly through the dark.


The Senses

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