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
A cubic yard of air weighs about 2 pounds at sea level.
31
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The storage capacity of human brain exceeds 4 Terrabytes.
140
Out of all the senses, smell is most closely linked to memory.
146
Neanderthal man had a brain capacity 100cc larger than modern man's.
50