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Phys.org / Earth's earliest life 3.3 billion years ago revealed by faint biosignatures
A new study uncovered fresh chemical evidence of life in rocks more than 3.3 billion years old, along with molecular traces showing that oxygen-producing photosynthesis emerged nearly a billion years earlier than previously ...
Phys.org / Enduring patterns in world's languages: One-third of grammatical 'universals' stand up to rigorous testing
Despite the vast diversity of human languages, specific grammatical patterns appear again and again. A new study reveals that around a third of the long-proposed "linguistic universals"—patterns thought to hold across all ...
Phys.org / Open-access tool navigates expanding world of metal–organic frameworks for easier discovery
A new open-access tool created by University of Toronto Engineering researchers provides a systematic way to organize and synthesize knowledge about metal–organic frameworks (MOFs)—a class of materials with applications ...
Medical Xpress / A unified model of memory and perception: How Hebbian learning explains our recall of past events
A collaboration between SISSA's Physics and Neuroscience groups has taken a step forward in understanding how memories are stored and retrieved in the brain. The study, recently published in Neuron, shows that distinct perceptual ...
Phys.org / Prescribed burning helps store forest carbon in big fire-resistant trees, long-term Sierra Nevada study shows
A two-decade-long experiment in the Sierra Nevada found that regular prescribed burns promote carbon sequestration in live trees and plants, maintaining forests' long-term ability to store carbon while also reducing wildfire ...
Phys.org / Lethal aggression among chimpanzees tied to larger territories and higher infant survival
The Ngogo chimpanzees of Uganda's Kibale National Park have long been known for violent clashes with neighboring groups, often resulting in deaths—a phenomenon sometimes described as "chimpanzee warfare."
Phys.org / Lethal dose of plastics for ocean wildlife: Surprisingly small amounts can kill seabirds, sea turtles and marine mammals
By studying more than 10,000 necropsies, researchers now know how much plastic it takes to kill seabirds, sea turtles, and marine mammals, and the lethal dose is much smaller than you might think. Their new study titled "A ...
Phys.org / Astronomers reveal flat 'Diamond Ring' in Cygnus X is a burst bubble remnant
An international team led by researchers from the University of Cologne has solved the mystery of an extraordinary phenomenon known as the "Diamond Ring" in the star-forming region Cygnus X, a huge, ring-shaped structure ...
Medical Xpress / Disrupting bacterial 'chatter' could tip the balance for better oral health
Like all living things, bacteria adapt to survive. Over time, bacteria have been developing resistance to common antibiotics and disinfectants, which poses a growing problem for health care and sanitation. However, many species ...
Phys.org / Fake survey answers from AI could quietly sway election predictions
Public opinion polls and other surveys rely on data to understand human behavior. New research from Dartmouth reveals that artificial intelligence can now corrupt public opinion surveys at scale—passing every quality check, ...
Phys.org / From warriors to healers: Muscle stem cell signal redirects macrophages toward tadpole tail regeneration
Researchers Sumika Kato, Takeo Kubo, and Taro Fukazawa of the University of Tokyo have discovered that c1qtnf3, a secreting factor, namely a protein molecule that is secreted by a cell and influences functions of other cells, ...
Phys.org / Iron-sulfur cluster found essential for proper ribosome assembly in cells
A single iron-sulfur building block directly determines whether ribosomes—the protein factories of our cells—work smoothly or not. This is the conclusion of a recent research project led by the RPTU Kaiserslautern-Landau. ...
