Scientists are now able to grow 'beating' heart tissue in a lab!
162
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One barrel of petroleum holds 42 gallons.
20
According to studies, men change their minds two to three times more often than women.
72
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Aluminum used to be more valuable than gold!
84