Iron weighs more after it rusts.
16
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
No matter how cold it gets, gasoline will not freeze.
107
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Pure water (H2O) does not conduct electricity on its own.
46
Sound travels fifteen times faster through steel than through air.
134
