There are more than 150 million sheep in Australia, and only some 20 million people.
247
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4