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
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
One cubic foot of gold weighs more than 1,200 pounds!
78
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A cesium atom in an atomic clock beats over nine billion times a second.
43
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20