Small lizard packs powerful tongue
![Rhampholeon spinosus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/01/ticker_ht_chameleontongues_free.jpg?fit=860%2C460&ssl=1)
Like other chameleons, Rhampholeon spinosus (shown) probably achieves such astounding power and acceleration of its tongue by contracting muscles and thereby loading them with potential energy like a catapult.
Christopher V. Anderson