Hydrogen solid is the most dense substance in the world, at 70.6g/cc.

During a severe windstorm or rainstorm the Empire State Building sways several feet to either side.

The bumblebee bat is not only the world's smallest bat, but it is also the world's smallest mammal. These cute little creatures weigh only 2 grammes. They are 29 to 33mm in length, with a wingspan of approximately 170mm!

AMAZING FACTS