Iron weighs more after it rusts.
16
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Sound travels fifteen times faster through steel than through air.
134
Sound travels about 4 times faster in water than in air.
408
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Nearly 50% of the world's scientists are assigned to military projects.
71