The bark of an older redwood tree is fireproof.
65
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
A cubic yard of air weighs about 2 pounds at sea level.
31