You have no sense of smell when you're sleeping!
72
‘Fracture putty’ is a material being developed that when packed in & around a bone fracture, provides full load bearing strength within days.
8
Your heart rate can rise as much as 30% during a yawn.
69
Within three days of death, the enzymes that once digested your food begin to eat you.
22
The human brain doesn't stop developing until about 25 years old.
102
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39