Earth Sciences

How a shift in the Gulf Stream could signal the collapse of a major ocean current system

Changes in the Gulf Stream, a strong ocean current in the Atlantic, could serve as an early warning of the imminent collapse of the Atlantic Meridional Overturning Circulation (AMOC). The AMOC is a massive system of ocean ...

Astrobiology

Nearby red dwarf star hosts at least four planets—with one in the habitable zone

In 2020, a study confirmed that two planets orbited the nearby red dwarf, GJ 887. Now, astronomers have confirmed the existence of two additional planets orbiting GJ 887 in a new study published in Astronomy and Astrophysics. ...

Record-energy neutrino may have begun its journey in blazars

Three years ago, in the waters of the Mediterranean Sea, the passage of an "ultra-energetic" cosmic neutrino was observed—the most energetic ever detected. The event drew international attention from the scientific community ...

Why lungs age unevenly: Vulnerable cells may guide new therapies

Aging is associated with increased risk for nearly every lung disease, including acute conditions like pneumonia and chronic diseases like chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, and lung cancer. ...

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Electronics & Semiconductors
Your clothes may become smarter than you

Ultra-compact photonic AI chip operates at the speed of light

Australian researchers have built an ultra-compact artificial intelligence (AI) chip that is able to make calculations using the power of light, at the speed of light. The nano photonic chip prototype, which harnesses the ...

Experts challenge idea that social media harms teen empathy

Teenagers who use social media more frequently may show slightly higher empathy, according to a new meta-analysis by researchers at Georgia State University. The study, a systematic review published in the Journal of Adolescence, ...

Many wild bee species find home on a university campus

170 species of wild bees live on the Hubland Campus of Julius-Maximilians-Universität Würzburg (JMU). This is the result of a study carried out by the Chair of Animal Ecology and Tropical Biology at the JMU Biocentre from ...

Cattle grazing boosts nature recovery in Yorkshire Dales

Cattle grazing at a nature reserve in the Yorkshire Dales has increased plant diversity by more than 40%, according to research by the University of Leeds. Allowing native cattle breeds to roam large areas of the landscape ...

Why the Doomsday Clock has outlived its usefulness

The Doomsday Clock—a symbolic device to signal an array of existential threats to the world since 1947—was recently moved to 85 seconds before midnight, the closest it has ever been to midnight. And that was before all-out ...

Cheek cells may provide clues to schizophrenia risk

A simple cheek swab could one day provide a quick and noninvasive diagnostic test for schizophrenia. A new study published in Science Advances has identified higher levels of two biological markers in the cheek swabs of patients ...

Forest exhibits resilience after California mega fire

In 2019 and again in 2021, Penn State researchers in the Department of Geography walked a series of 1,000 square foot plots in California's Lassen Volcanic National Park. The goal was to see how the forest that's hands-off ...

Hubble and Euclid zoom into cosmic eye

For this month's ESA/Hubble Picture of the Month, NASA/ESA's Hubble Space Telescope is joined by ESA's Euclid to create a new view of the most visually intricate remnants of a dying star: the Cat's Eye Nebula, also known ...