How human genes adapted to changing diets: The evolutionary science of food

How human genes adapted to changing diets

Human diets have changed dramatically throughout evolution. Our ancestors moved from hunting and gathering to farming, began consuming more grains and dairy, developed new food-processing methods, and adapted to environments ranging from tropical forests to the Arctic. Surprisingly, some of these dietary changes may have left measurable signatures in our …

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What if earth is making its own hydrogen?

What If Earth Is Making Its Own Hydrogen

What if some of the fuel we need for the future is already being produced beneath our feet? Deep beneath northern Ontario, billion-year-old rocks are slowly generating hydrogen gas. Scientists have now measured this natural hydrogen flowing through an operating mine, providing some of the clearest evidence yet that Earth’s …

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CO₂, Forests and the Tipping Point: What a 56Million Year Old Climate Crisis Tells Us About the Future

CO₂, Forests and the Tipping Point: What a 56Million Year Old Climate Crisis Tells Us About the Future

For years, scientists have known about the CO₂ fertilization effect, the ability of higher atmospheric carbon dioxide to stimulate photosynthesis and improve water-use efficiency in many plants. It sounds like a simple equation: more CO₂, more plant growth.But nature rarely follows a straight line. A new study published in Science …

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