|
|
|
Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti
Older people who exercise cognitive skills, like these chess players, retain those skills well into ...
Aggregates are people who happen to be in the same place at the same time.
People in poor, urban areas often find themselves in “food deserts"
People are living longer today than in previous decades
By the People: A History of the United States, AP Edition