Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
4.5 pounds of sunlight strike the Earth each day.
27
Aluminum used to be more valuable than gold!
84
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79