After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The average person will go on a date at least 100 times before they finally marry.
33
Your fingernails grow faster in summer.
744
The human brain doesn't stop developing until about 25 years old.
102
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The largest cell in the human body is the female egg and the smallest is the male sperm.
682