Balsa wood is classified as a hard wood!
41
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Out of all the senses, smell is most closely linked to memory.
146
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Nearly 50% of the world's scientists are assigned to military projects.
71
Hot water can freeze faster than cold water.
181
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155