In zero gravity, a candle's flame is round and blue.
16
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house come from dead skin.
48
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
A ball of glass will bounce higher than a ball made of rubber.
73
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9