Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Out of all the senses, smell is most closely linked to memory.
146
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Cold water weighs more than hot water.
93
One barrel of petroleum holds 42 gallons.
20
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Sound at the right vibration can bore holes through a solid object.
134