At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The smell of freshly cut grass is actually a plant distress call.
31
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Liquid TIDE laundry detergent glows under a blacklight.
96
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
Sound travels fifteen times faster through steel than through air.
134