A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Aluminum used to be more valuable than gold!
84
One third of the electricity produced on earth is used to power electric light bulbs!
75
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Pure water (H2O) does not conduct electricity on its own.
46
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51