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24 m

Earliest Americans specialized in megafauna hunting from Alaska to South America, analysis of 50 sites reveals

Earliest Americans specialized in megafauna hunting from Alaska to South America, analysis of 50 sites reveals

New research led by a University of Alaska Fairbanks archaeologist reveals that the earliest Native Americans had highly specialized diets, primarily hunting the largest animals on the landscape, and they targeted these megafauna consistently from Alaska to South America.

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24 m

Sun-powered sponges may generate 11% of tropical coral reef productivity

Sun-powered sponges may generate 11% of tropical coral reef productivity

In marine environments, sponges tend to eat other organisms to get their nutrients. But a study published in Functional Ecology by researchers at the University of Amsterdam's Institute for Biodiversity and Ecosystem Dynamics (IBED), demonstrates how sponges may also use photosynthesis, just like plants. This phenomenon can help with productivity—the amount of energy and food produced—in tropical coral reefs, and perhaps in other ecosystems where sponges are also common.

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2 hrs

Cutting emissions more, removing carbon less could save 33,000 U.S. lives yearly

Cutting emissions more, removing carbon less could save 33,000 U.S. lives yearly

Published in Nature Climate Change, new research from the University of Wisconsin–Madison finds that reaching net-zero emissions by midcentury would substantially improve public health in the United States. However, climate strategies that heavily depend on carbon dioxide removal are likely to lead to worse pollution, air quality and climate-related premature deaths than scenarios that prioritize direct emissions reductions and rely less on carbon dioxide removal (CDR).

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2 hrs

Cosmic dust could play key role in cracking long-standing mystery of solar corona heating

Cosmic dust could play key role in cracking long-standing mystery of solar corona heating

A researcher at The University of Alabama in Huntsville (UAH), a part of The University of Alabama System, has published a new study in The Astrophysical Journal suggesting that tiny charged dust grains near the sun may significantly influence how energy moves through the solar corona, the outer atmosphere of the sun. The discovery potentially rewrites how scientists understand why the corona is millions of degrees hotter than the surface of the sun itself.

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2 hrs

Hidden for decades, hospital superbug built resistance in waves, peaking in the mid‑2000s

Hidden for decades, hospital superbug built resistance in waves, peaking in the mid‑2000s

Decades-old hospital samples have helped University of East Anglia (UEA) researchers uncover how a deadly antibiotic-resistant "superbug" quietly tightened its grip across the globe. It lurked in hospital corridors for decades, largely unnoticed by the wider public.

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