Everyone has one nostril that is larger than the other.
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Continuous variation in a natural population
world as i would like it
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Global Stratification: Income of the World's Nations
Indoor air pollution in the developing world arises from fuelwood burning