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Phys.org / Snow, monsoons and oceans shift Earth's center of mass each year, satellite tracking shows

Seasonal changes redistribute enough water around Earth to shift the planet's center of mass back and forth by fractions of an inch relative to its geometric center. NASA scientists are on the case, tracking the oscillations ...

7 hours ago
Medical Xpress / Stable frontal signals, flexible hippocampal ones: How the brain preserves context as goals change

While humans are completing a task, they can temporarily store information in their minds while also manipulating and adapting it based on changing circumstances. To support this capability, known as working memory, the brain ...

17 hours ago
Phys.org / Newfound 'baby' planet smashes record for youngest known world

Astronomers have confirmed a world less than a million years old as the youngest known planet, using data from archives. Called Elias 2-24 b, the baby planet is still whirling in its natal disk of dust and gas.

8 hours ago
Medical Xpress / Augmented eye clinic shows why AI-native systems work where standalone algorithms don't

AI in eye care is set to take a new leap with an AI-native rather than assisted approach. Researchers have developed a new tool that moves beyond the conventional model of deploying AI as isolated, standalone tools for individual ...

13 hours ago
Phys.org / Weeping whales: Stillborn humpback whale grieving documented

Humpback whale mothers may experience grief when their calves die, a rare research observation led by Griffith University and Sea World Foundation has found.

17 hours ago
Phys.org / Why do some chimpanzee mothers carry their dead infants for months?

Chimpanzee and bonobo mothers sometimes continue to carry their infants after they have died, a behavior known as infant corpse carrying (ICC). It is widely documented, and many explanations have been proposed, but few have ...

9 hours ago
Phys.org / Circular Rydberg atoms set three records, staying stable for 11 milliseconds

Rydberg atoms are considered promising building blocks for quantum computers and their precursors, quantum simulators. Researchers at the 5th Institute of Physics of the University of Stuttgart have achieved record values ...

9 hours ago
Medical Xpress / Metabolite buildup reveals how aggressive brain tumors activate nearby neurons

Virtually all high-grade, aggressive gliomas in adults accumulate massive amounts of a metabolite called guanidinoacetate (GAA) that overstimulates nearby neurons and promotes tumor growth, according to new research from ...

7 hours ago
Phys.org / Light lets microswimmers switch between bacteria-like and algae-like propulsion

Physicists at Leipzig University and Charles University in Prague have developed a method for changing the swimming style of tiny artificial microswimmers in real time. They can make a single microscopic particle switch at ...

8 hours ago
Phys.org / Fungi neutralize spruce defense mechanisms with sugar

A research team at the Max Planck Institute for Chemical Ecology discovered a previously unknown strategy by which certain fungi neutralize spruce defense compounds. These fungi are introduced into trees by bark beetles, ...

7 hours ago
Medical Xpress / Hiring more specialists alone won't fix long wait times—and may make them worse

A new analysis published in NEJM Catalyst finds that the standard response to growing specialist wait times—hiring more physicians—is unlikely to solve the problem on its own and may even worsen it. The article, "Reducing ...

8 hours ago
Medical Xpress / More than half of Americans have been victims of violence, study finds

The number of Americans who have personally been victims of physical or sexual violence is much higher than one might think, a new report says. More than half of U.S. adults have experienced physical violence in their lifetimes, ...

2 hours ago