Sound travels about 4 times faster in water than in air.
408
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Aluminum used to be more valuable than gold!
84
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Research indicates that plants grow healthier when they are stroked.
173
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
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