Human teeth are almost as hard as rocks!
47
‘Fracture putty’ is a material being developed that when packed in & around a bone fracture, provides full load bearing strength within days.
8
One out of 20 people have an extra rib.
66
Human hair and fingernails continue to grow after death.
7
Enamel is hardest substance in the human body.
61
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The human brain doesn't stop developing until about 25 years old.
102