Aerogel is the world’s lowest density solid, clocking in at air. If you hold a small piece in your hand, it’s practically impossible to either see or feel, but if you poke it, it’s like styrofoam. It supports up to times its own weight.
The World’s Smallest Chameleon: cm Long The smallest chameleon species in the world is the Brookesia Minima. It is half an inch long and found on Nosy be Island on the floor of rainforest. The island is off the NW coast of Madagascar.