The first patented condom was meant to be reused!
47
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
Men have larger hearts; women's hearts beat faster.
77
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain doesn't stop developing until about 25 years old.
102
Most dreams last only 5 to 20 minutes.
79
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
