Sound travels fifteen times faster through steel than through air.
134
Out of all the senses, smell is most closely linked to memory.
146
The storage capacity of human brain exceeds 4 Terrabytes.
140
The smell of freshly cut grass is actually a plant distress call.
31
Sound at the right vibration can bore holes through a solid object.
134
Sound travels about 4 times faster in water than in air.
408
One cubic foot of gold weighs more than 1,200 pounds!
78
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