The smell of freshly cut grass is actually a plant distress call.
31
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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, up to 150 species of life become extinct.
-23
Your brain is 80% water.
525
Aluminum used to be more valuable than gold!
84
Most dust particles in your house come from dead skin.
48