Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Hot water can freeze faster than cold water.
181
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Nearly 50% of the world's scientists are assigned to military projects.
71
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
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108