Deep Look

A Flea's Fantastic Jump Takes More Than Muscle

Before they can bite your cat or dog, these little "itch hikers" make an amazing leap 100 times faster than the blink of an eye. So how do they do it?

A Flea's Fantastic Jump Takes More Than Muscle

4m 32s

Before they can bite your cat or dog, these little "itch hikers" make an amazing leap 100 times faster than the blink of an eye. So how do they do it?

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