cockroach

A cockroach species in Hawaii called the Pacific beetle cockroach can actually give milk. This isn't the only thing this cockroach has in common with mammals, either. It also gives birth to live young.

Scientists recently found a way to drive a cockroach the way you might drive a car. They put electrodes in its brain, and by stimulating it in the right places they could move it around like a car.

The all-too familiar American cockroach almost seems to know where you're going to strike. What's the tip-off that sends the cockroach running?