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
German chemists made a replica of a trophy the size of one molecule.
68
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The storage capacity of human brain exceeds 4 Terrabytes.
140
Pumice is the only rock that floats on water.
14
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57