Iron weighs more after it rusts.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
A ball of glass will bounce higher than a ball made of rubber.
73
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Pure water (H2O) does not conduct electricity on its own.
46
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9