The bark of an older redwood tree is fireproof.
65
Out of all the senses, smell is most closely linked to memory.
146
Iron weighs more after it rusts.
16
German chemists made a replica of a trophy the size of one molecule.
68
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Liquid TIDE laundry detergent glows under a blacklight.
96