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Major genetic weakness threatens future corn breeding, study reveals

A new study led by University of Illinois Urbana-Champaign scientists reveals critically low genetic variation in one of the country's primary breeding stocks for corn. The finding relates specifically to grain yield in intermediate-maturity hybrids, which dominate commercial production in the U.S. and represent nearly a third of the world's corn production. The researchers say it's a crisis waiting to happen.

Phys.org · 11 hours ago

Science

Mitochondrial proteins may trigger inflammation by mimicking bacterial distress signals

Mitochondria are often called the powerhouses of the cell. But their ancient origins may also make them drivers of inflammation. Researchers at the University of Illinois Chicago have discovered that proteins released from mitochondria can activate the immune system in a similar way to invading bacteria. The findings suggest that remnants of mitochondria's evolutionary past may contribute to inflammation in infections and autoimmune disorders.

Phys.org · 11 hours ago

Science

Looking to see the solar eclipse from North America? Here's where and when to catch a sliver

Related coverage: Looking to see the solar eclipse from North America? Here's where and when to catch a sliver AP News Baltimore on the path of a partial solar eclipse | Weather Talk WBAL-TV Partial solar eclipse, Perseid meteors in New Hampshire skies this week WMUR Rare partial solar eclipse visible in Maine skies Wednesday The Portland Press Herald How to watch the very small, very short partial solar eclipse in North Carolina this Wednesday WUNC News

AP News · 11 hours ago

Science

NASA Completes Astronaut-Deployed Science Instrument for Lunar Surface

NASA has declared “wrenches down” on the first completed payload designed for Artemis astronauts to deploy on the Moon’s surface. Engineers working on NASA’s Lunar Environment Monitoring Station, or LEMS, have completed hardware development and testing and the payload is ready for its permanent home near the lunar South Pole. With the hardware complete, LEMS […]

NASA Breaking News · 11 hours ago

Science

Early farmers' larger grains may reflect rainfall, not genetic selection

A new archaeobotanical study by researchers from the University of Oxford and Kiel University (CAU) has revealed that increases in cereal grain size at the dawn of agriculture, more than 11,000 years ago, were initially driven by plants' plastic responses to favorable growing conditions, rather than by genetic selection under cultivation as previously thought.

Phys.org · 11 hours ago

Science

New hurricane graphic helps people identify watch areas, doesn't change risk perception

Hurricane warnings are only effective if people understand them. A new study by Florida State University faculty members in the School of Communication in the College of Communication and Information and the Department of Geography in the College of Social Sciences and Public Policy examined an experimental forecast graphic developed by the National Hurricane Center (NHC) that adds inland tropical storm and hurricane watches and warnings to the traditional track-forecast cone, which historically emphasized coastal impacts.

Phys.org · 11 hours ago