Sound travels about 4 times faster in water than in air.
408
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house are made from dead skin!
67
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
4.5 pounds of sunlight strike the Earth each day.
27
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Iron weighs more after it rusts.
16