A ball of glass will bounce higher than a ball made of rubber.
73
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15