Extreme heat forged Earth’s continents billions of years ago, creating the stable foundation that made life possible.

Many are of the opinion that it can go either way: decline or improvement. It depends on collective choices humanity makes; and how it handles the environment, geopolitical and social issues, medical ...

Since the early 20th century, sustained declines in mortality have driven steady increases in life expectancy, particularly in high-income countries. Several studies have reported that this ...