Hot water can freeze faster than cold water.
181
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
Your brain is 80% water.
525
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One barrel of petroleum holds 42 gallons.
20
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21