Near a lake in present-day Germany, a group of Neanderthals set up a clever system to get fat from animal bones. They smashed bones with stone tools and boiled them to get the fat. This was not a one-time thing. It happened over 300 years. They did this to avoid a dangerous condition called protein poisoning. Neanderthals were not dumb. They planned ahead. They hunt...

As the planet warms up, so do the temperatures. This means more people are getting sick or worse from high temperatures. Scientists have found that picking the right foods and supplements can help us perform better and stay healthier when we exercise in the heat. This review discusses a bunch of ways to eat and take supplements to improve our bodies' responses during...