Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels fifteen times faster through steel than through air.
134
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Hot water can freeze faster than cold water.
181
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71