Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The only letter not appearing on the Periodic Table is the letter "J".
180