- The opposite of a 'vacuum' is a 'plenum'.
- Butterflies taste with their back feet.
- The tentacles of the giant arctic jellyfish can reach 36.6 meters (120 feet).
- An area of the Suns surface to the equivalent of a postage stamp would shine with the brightness of over 1,500,000 candles.
- A male baboon can kill a leopard.