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
Sound travels fifteen times faster through steel than through air.
134
Cold water weighs more than hot water.
93
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Iron weighs more after it rusts.
16