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Phys.org / Blue and fin whale sightings on the rise in the Southeast Atlantic

More than 40 years after the end of commercial whaling, new research reveals a recent increase in sightings of the world's two largest whale species in the southeastern Atlantic. The findings, published in the African Journal ...

May 22, 2026
Medical Xpress / Why brain cells learn better: NMDA receptor maps may explain memory-linked calcium flow

The human brain constantly adapts in response to experiences, forming new connections between neurons and reorganizing existing ones. The brain's ability to adapt in response to experiences is known as neuroplasticity.

May 18, 2026
Phys.org / Intensifying droughts may be pushing tropical forests toward a dangerous threshold

Tropical forests, often described as the lungs of the planet, may be edging closer to a dangerous threshold as droughts become more frequent and widespread across the world's humid tropics. New research suggests these ecosystems ...

May 18, 2026
Medical Xpress / Mental disorders have nearly doubled since 1990, now affecting 1.2 billion people worldwide

Nearly 1.2 billion people worldwide are living with a mental disorder, nearly double the number recorded in 1990. According to a new study, this stark rise has placed mental disorders as the leading cause of disability globally, ...

May 21, 2026
Phys.org / MeerKAT discovers 15 new millisecond pulsars in a well known globular cluster

Using the MeerKAT radio telescope, an international team of astronomers has discovered 15 new millisecond pulsars in 47 Tucanae—one of the closest and best studied globular clusters. The finding is reported in the latest ...

May 19, 2026
Phys.org / Unusual nonlinear thermoelectric effect appears in chiral tellurium, confirming theoretical predictions

An unusual thermoelectric effect has been observed in the semiconductor tellurium by RIKEN physicists for the first time. This demonstration points to the potential of similar materials to be used in applications such as ...

May 21, 2026
Phys.org / Dual-atom fuel cell catalysts break single-peak rule, exposing two optima

Researchers have uncovered a new principle that could accelerate the development of cheaper and more efficient fuel cells by revealing how dual-atom catalysts behave during a key energy conversion reaction. The study, led ...

May 21, 2026
Phys.org / Climate catch-22: Cleaning up air pollution could speed key Atlantic current decline

It may sound counterintuitive, but new research suggests that cleaning up air pollution could contribute to a weakening of the Atlantic Meridional Overturning Circulation (AMOC). This is the ocean current system that acts ...

May 19, 2026
Phys.org / Extraterrestrial life may be slipping past space missions, astrobiologists warn

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results. "We ...

May 21, 2026
Phys.org / eROSITA discovers a 'changing-look' Seyfert galaxy

Astronomers have tracked a dramatic "changing-look" active galactic nucleus (AGN) whose central supermassive black hole appeared to switch off and then rapidly reignite. The galaxy, HE 1237−2252, dimmed in X-rays by a factor ...

May 17, 2026
Science X / Across Bronze Age Sweden, carved footprints point to a ritual for turning social ties into stone

Etched into the ancient rocky outcrops of southern Scandinavia and large boulders left behind by retreating glaciers are footprints, also called podomorphic petroglyphs. Some are barefoot with every toe visible, while others ...

May 18, 2026
Medical Xpress / A brief kidney crisis in childhood can cast a long shadow over health for years afterward

Acute kidney injury (AKI) is a condition in which the kidneys suddenly lose their ability to filter waste from the blood. Developing within hours or days, AKI can cause dangerous waste accumulation and disrupt the body's ...

May 20, 2026