作者: Warren C. Sanderson

The 20th century was the century of explosive population growth, resulting in unprecedented impacts; in contrast, the 21st century is likely to see the end of world population growth and become the …

The 20th century was the century of explosive population growth, resulting in unprecedented impacts; in contrast, the 21st century is likely to see the end of world population growth and become the …

From two leading experts, a revolutionary new way to think about and measure aging.Aging is a complex phenomenon. We usually think of chronological age as a benchmark, but it is actually a backward …