Researchers found that extreme heat can accelerate biological aging in elderly people. Florida is a popular destination to retire, but summer temperatures there are routinely in the 90s.

There’s no trail we didn’t like, for walking or by bike. Some hopped on machines and flew, and fit in a little trailside rest too. Northlanders will watch hockey any which way, so here’s one ...

It is possible to reduce body heat both externally and internally. Jumping into a cool pool is an example of external cooling, while drinking cold water can help reduce body temperature internally.

In some ways, that record heat was expected: Scientists predicted that El Niño, combined with decreasing air pollution that cools the earth, would cause temperatures to skyrocket. But even those ...