Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Out of all the senses, smell is most closely linked to memory.
146
