Iron weighs more after it rusts.
16
In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Diamonds can be shattered with a hammer.
-104
Research indicates that plants grow healthier when they are stroked.
173
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Scientists aren't sure what color dinosaurs were.
312