Following Neanderthals' footsteps to learn how they lived

Like modern humans and primates, Neanderthals—our closest evolutionary cousins—are thought to have lived in groups, but their size and composition have been difficult to infer from archeological and fossil remains.

Making microbes that transform greenhouse gases

Researchers at the University of South Florida are harnessing the power of human physiology to transform greenhouse gases into usable chemical compounds—a method that could help lessen industrial dependence on petroleum ...

Human-like walking mechanics evolved before the genus Homo

Ever since scientists realized that humans evolved from a succession of primate ancestors, the public imagination has been focused on the inflection point when those ancestors switched from ape-like shuffling to walking upright ...

Fossil footprint discoveries and what they tell us

Footprints on a sandy surface don't usually last long: they're washed away by water, wiped out by wind or covered over by new tracks. At certain sites in southern Africa, though, some traces of animals have lasted for many ...

Mapping our global human footprint

The number of people flocking to cities in search of employment and better prospects is growing at an unprecedented rate. By 2050, the global population is estimated to reach nine billion, 70% of which will be living in urban ...

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