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Ecology May 28, 2024

Recovery of Brazil's Spix's macaw, popularized in animated 'Rio' films, threatened by climate change

All Spix's macaws are majestically blue in the blazing sun of Brazil's Northeast, but each bird is distinct to Candice and Cromwell Purchase. As the parrots soar squawking past their home, the couple can readily identify ...

Astronomy May 27, 2024

Sloshing cold front detected in a massive galaxy cluster

By analyzing the data from NASA's Chandra X-ray observatory, astronomers from India and South Africa have investigated a massive galaxy cluster known as Abell 2566. They detected sloshing cold fronts in the intracluster medium ...

Astronomy May 25, 2024

Dyson spheres: Astronomers report potential candidates for alien structures, and evidence against their existence

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts. Another is to look ...

Optics & Photonics May 23, 2024

New discoveries about the nature of light could improve methods for heating fusion plasma

Both literally and figuratively, light pervades the world. It banishes darkness, conveys telecommunications signals between continents and makes visible the invisible, from faraway galaxies to the smallest bacterium. Light ...

General Physics May 23, 2024

How a world record 'squeeze' could offer comfort for dark matter hunters

UNSW quantum engineers have developed a new amplifier that could help other scientists search for elusive dark matter particles.

Ecology May 22, 2024

Can disease-detecting dogs help save South Dakota's bighorn sheep?

In summer 2021, Badlands National Park was home to a healthy and growing population of Rocky Mountain bighorn sheep, with approximately 300 total among the three herds. Then in August, Paul Roghair, lead biological science ...

Plants & Animals May 22, 2024

Previously unknown dormouse habitat identified

Bayreuth researchers have shown for the first time that the dormouse, which is strictly protected in Germany, not only uses woody structures as a habitat, but also reed beds. The study is published in the Journal of Vertebrate ...

Astronomy May 22, 2024

Astronomers observe jet reorientation in 'Death Star' black holes

Huge black holes are firing powerful beams of particles into spaceā€”and then changing their aim to fire at new targets. This discovery, made using NASA's Chandra X-ray Observatory and the U.S. National Science Foundation ...

Plants & Animals May 20, 2024

Unlocking the secrets of plant-electromagnetic field interactions: A comprehensive review

A research team has meticulously analyzed the biological impacts of ornamental plants' exposure to electromagnetic fields (EMFs), especially those at high frequencies. They proposed a comprehensive strategy to predict and ...

Bio & Medicine May 20, 2024

Improved ultrasound wireless charging for implantable biomedical devices

Ultrasound-based wireless power transfer is becoming a more attractive option to power implanted biomedical devices because it could overcome many of the limitations and challenges facing other wireless charging approaches. ...

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