Metabolites preserved in fossil bones reveal ancient diets, diseases, and habitats
Metabolism quietly governs every living body. It shapes how organisms grow, reproduce, heal, and age. Because metabolism links…
Two ancient cousins of Lucy walked on two legs in different ways
On the ancient plains of Ethiopia, early human relatives were already trying out different ways of being upright.…
Dinosaur eggshells are accurate timekeepers of fossil age, study finds
Layers of rock can tell the story of life on Earth, but only if you know when each…