Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A ball of glass will bounce higher than a ball made of rubber.
73
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18