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Olivia Baumgartel, a graduate student in archaeology, poses for a photo at a dig site. Credit: Kidder and Baumgartel Some 3,500 years ago, hunter-gatherers began building massive earthwork mounds along the Mississippi River at Poverty Point, a UNESCO World Heritage Site in northeast Louisiana. “Conservatively, they moved 140,000 dump truck loads of dirt, all without
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Heavily agricultural areas are vulnerable to nitrate pollution in water, especially where aquifers are shallow. Areas at the highest risk of nitrate contamination in shallow groundwater generally have high nitrogen inputs to the land, well-drained soils and high ratios of croplands to woodlands. Credit: USGS About 23 million U.S. households depend on private wells as
Credit: Pixabay/CC0 Public Domain The UK government has called on schools to do more to enhance opportunities in PE and sports for disabled young people. However, the government also has a fundamental role to play here. This is pointed out in a new campaign from ParalympicsGB. In an open letter, the British Paralympic Association has
Editors’ notes This article has been reviewed according to Science X’s editorial process and policies. Editors have highlighted the following attributes while ensuring the content’s credibility: fact-checked trusted source proofread by Niigata University Mathematical calculation of the probability of including one or more minority members in a group. Credit: Niigata University Human society includes various
Editors’ notes This article has been reviewed according to Science X’s editorial process and policies. Editors have highlighted the following attributes while ensuring the content’s credibility: fact-checked peer-reviewed publication trusted source written by researcher(s) proofread by Sean Ulm, Ian J. McNiven and Kenneth McLean, The Conversation Ceramic sherd selection. Photographs: Steve Morton. Credit: Quaternary Science