The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The left ear is more responsive to words of love and emotion whispered into it than the right.
40