Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One barrel of petroleum holds 42 gallons.
20
Nylon is made from coal and petroleum.
42
Each day, up to 150 species of life become extinct.
-23
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