In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Each day, up to 150 species of life become extinct.
-23
Sound travels fifteen times faster through steel than through air.
134
A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65