The growing need for food has led to a rising demand for fertilizers—especially nitrogen. But making nitrogen fertilizers uses large amounts of fossil fuels, including natural gas, coal, and oil.

A new study challenges traditional views on humanity's shift from hunting and gathering to farming, highlighting early human interactions.

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Human health in the modern world is a conundrum. On the surface, we should be healthier than ever. We have more access to food and clean water than at any time in history. Doctors are more capable ...