Aluminum used to be more valuable than gold!
84
Nearly 50% of the world's scientists are assigned to military projects.
71
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Iron weighs more after it rusts.
16
Iron weighs more after it rusts.
68
Hot water can freeze faster than cold water.
181
Scientists aren't sure what color dinosaurs were.
312