The smell of freshly cut grass is actually a plant distress call.
31
Iron weighs more after it rusts.
16
Sound travels about 4 times faster in water than in air.
408
According to studies, men change their minds two to three times more often than women.
72
Billions of neutrinos pass unnoticed through your body every second.
6
In zero gravity, a candle's flame is round and blue.
16
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44