Eating frog legs for dinner? Add a little salt to them before cooking and they might put on a show for you -- even when they're not attached to the frog's body. It's an amazing quirk, but a pinch of salt can make the legs of dead frogs twitch and writhe as if they've been brought back to life, according to an episode of "Outrageous Acts Of Science," a Science Channel series.
The Scientific Explanation
Because these are fresh frog legs, the cells inside them are all still intact. Thus, there's still energy in place for the muscles and all they need is something to activate them.
Someone tried it and made a remix out of it