The smell of freshly cut grass is actually a plant distress call.
31
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In zero gravity, a candle's flame is round and blue.
16
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The storage capacity of human brain exceeds 4 Terrabytes.
140
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The bark of an older redwood tree is fireproof.
65
Research indicates that plants grow healthier when they are stroked.
173