Meet an electric eel at the Houston Zoo! It sends out electrical pulses to find food. Meet an electric eel at the Houston Zoo! Although it is called an eel, it is actually a relative of the catfish.

Most of us have probably used a 9-volt battery. They power small household items such as clocks, smoke detectors, and toys. Now think about what you could power with 860 volts. It’s 95 times the ...