The only letter not appearing on the Periodic Table is the letter "J".
180
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16