Iron weighs more after it rusts.
16
One barrel of petroleum holds 42 gallons.
20
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
The storage capacity of human brain exceeds 4 Terrabytes.
140
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101