The male fetus is capable of attaining an erection during the last trimester.
75
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The human brain is insensitive to pain.
76
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Your skeleton keeps growing until you are about 35, then you start to shrink.
74