Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Diamonds can be shattered with a hammer.
-104
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57