The smell of freshly cut grass is actually a plant distress call.
31
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Liquid TIDE laundry detergent glows under a blacklight.
96
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Billions of neutrinos pass unnoticed through your body every second.
6
In zero gravity, a candle's flame is round and blue.
16
One barrel of petroleum holds 42 gallons.
20
Each day, up to 150 species of life become extinct.
-23