Aluminum used to be more valuable than gold!
84
Liquid TIDE laundry detergent glows under a blacklight.
96
The smell of freshly cut grass is actually a plant distress call.
31
Iron weighs more after it rusts.
16
The average temperature at 40,000 feet above sea level is -60 F.
56
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
Pure water (H2O) does not conduct electricity on its own.
46
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21