Iron weighs more after it rusts.
68
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Nylon is made from coal and petroleum.
42
Each day, up to 150 species of life become extinct.
-23
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42