In zero gravity, a candle's flame is round and blue.
16
Sound at the right vibration can bore holes through a solid object.
134
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
4.5 pounds of sunlight strike the Earth each day.
27
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A cesium atom in an atomic clock beats over nine billion times a second.
43
No matter how cold it gets, gasoline will not freeze.
107