Iron weighs more after it rusts.
68
The storage capacity of human brain exceeds 4 Terrabytes.
140
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Sound travels about 4 times faster in water than in air.
408