There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Posterior views of H. erectus, Neandertal, and modern H. sapiens show differences in vault shape.
Perception of Faces and Bodies
Freedom House is a nonprofit institution that uses several different factors to rank countries based
Physiological Factors Affecting Blood Pressure
Red cells have a biconcave shape.
Five Factors of Personality and the Traits they Include