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ScienceDaily: Fossils & Ruins News |
Eastern forests shaped more by Native Americans' burning than climate change Posted: 21 May 2019 01:24 PM PDT Native Americans' use of fire to manage vegetation in what is now the Eastern United States was more profound than previously believed, according to a researcher who determined that forest composition change in the region was caused more by land use than climate change. |
Ammonium fertilized early life on Earth Posted: 21 May 2019 01:24 PM PDT New research demonstrates that ammonium was a vital source of nitrogen for early life on Earth. |
In a first, researchers identify reddish coloring in an ancient fossil Posted: 21 May 2019 04:51 AM PDT Researchers have for the first time detected chemical traces of red pigment in an ancient fossil -- an exceptionally well-preserved mouse, not unlike today's field mice, that roamed the fields of what is now the German village of Willershausen around 3 million years ago. |
Farmers have less leisure time than hunter-gatherers Posted: 20 May 2019 08:56 AM PDT Hunter-gatherers in the Philippines who adopt farming work around ten hours a week longer than their forager neighbors, a new study suggests, complicating the idea that agriculture represents progress. The research also shows that a shift to agriculture impacts most on the lives of women. |
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