Scientists Extract Metabolic Molecules From Million-Year-Old Fossils for the First Time

Fossils can reveal far more than the shapes of ancient creatures. Molecules preserved inside old animal bones provide clues about past diseases, what those animals ate, and the climates they lived in. For the first time, researchers have examined metabolism-related molecules preserved in fossilized animal bones dating back between 1.3 and 3 million years. This [...]