It's impossible to sneeze with your eyes open.
The planet Venus has the longest day.
Sheeps, goats and the octopus have almost rectangular-oval pupils in their eyes.
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
Sharks have no air bladders, so they must swim constantly or they'll sink.
The ant can lift things 10 times its own weight.
Hydrogen is the most abundant element in the Universe (75%).
The Earth orbits the sun at an average speed of 107,220 kms per hour.
The human body has enough fat to produce 7 bars of soap.
Unlike humans, canaries can regenerate their brain cells.