Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Diamonds can be shattered with a hammer.
-104
Hot water can freeze faster than cold water.
181
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One third of the electricity produced on earth is used to power electric light bulbs!
75
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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
Scientists aren't sure what color dinosaurs were.
312