Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The only letter not appearing on the Periodic Table is the letter "J".
180
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A ball of glass will bounce higher than a ball made of rubber.
73
Nearly 50% of the world's scientists are assigned to military projects.
71
Out of all the senses, smell is most closely linked to memory.
146
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51