Tuesday 20 December 2011 1.30pm
....if last saturday's The Times Fantastic facts Science calendar 2012 is to be believed.
The density of Saturn is so low if you put it in water it would float.
A cokroach can live for nine days or more without its head.
Butterflies taste with their feet.
There are 75 trillion cells in the human body.
Venus is the hottest planet in the solar system (462C)
The Earth spins at 1,000mph and travels through space at 67,000mph.
The adult skeleton has 206 bones.
The call of the humpbacked whale is the loudest sound made by an animal.
The human body contains 60,000 miles of blood vessels.
Elephants have the longest mammal pregnancy (22 months). Mice have the shortest (19 days)
Every year the moon moves 3.8cm away from the Earth.
Hummingbirds are the only animals able to fly backwards.
Polar bears can run at 25mph and jump 6 feet in the air.
There are more species of fish in the Amazon river than in the Atlantic ocean.
An adult heart pumps an average of 7,200 litres of blood around the body every day.
Giraffes have seven bones in their necks, the same as humans.