0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The only letter not appearing on the Periodic Table is the letter "J".
180
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
Aluminum used to be more valuable than gold!
84
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
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199