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Phys.org / Earliest hand-held wooden tools found in Greece date back 430,000 years
An international team has discovered the earliest known hand-held wooden tools used by humans. A study jointly led by Professor Katerina Harvati from the Senckenberg Centre for Human Evolution and Palaeoenvironment at the ...
Phys.org / AI enables a who's who of brown bears in Alaska
A team of scientists from EPFL and Alaska Pacific University has developed an AI program that can recognize individual bears in the wild, despite the substantial changes that occur in their appearance over the summer season. ...
Phys.org / The infant universe's 'primordial soup' was actually soupy, study finds
In its first moments, the infant universe was a trillion-degree-hot soup of quarks and gluons. These elementary particles zinged around at light speed, creating a "quark-gluon plasma" that lasted for only a few millionths ...
Phys.org / Saturday Citations: Understanding procrastination; delicious baby sauropods; a study on musical 'pleasure chills'
This week, researchers identified the role of the brain's protein clean-up system in dementia. Fecal transplants show promising benefits in treating multiple cancer types. And biologists found that saltwater crocodiles traveled ...
Phys.org / Spider monkeys pool their knowledge to find the best fruit
When spider monkeys want to tell others about the best fruit trees in the forest or ones they've missed, they do so by changing their social groups to share what they know, according to a new study published in the journal ...
Phys.org / 2D discrete time crystals realized on a quantum computer for the first time
Physical systems become inherently more complicated and difficult to produce in a lab as the number of dimensions they exist in increases—even more so in quantum systems. While discrete time crystals (DTCs) had been previously ...
Phys.org / The first headbutting paravian: Bird-like dinosaur likely used thick skull to win over mates
Whether it's digging up weathered bones from a paleontological site or reexamining forgotten trays in museum and university collections, the study of dinosaurs still throws up something new.
Phys.org / Aging populations could cut global water use by up to 31%, study finds
Across the world, water scarcity is emerging as one of the most pressing challenges of the 21st century. Climate change is pushing rivers and aquifers into unprecedented extremes, droughts and floods are intensifying, and ...
Phys.org / 'Negative viscosity' helps propel groups of migrating cells, study finds
The cells in our bodies move in groups during biological processes such as wound healing and tissue development—but because of resistance, or viscosity, those cells can't just neatly glide past each other.
Medical Xpress / Procrastination in adulthood linked to brain development during adolescence
Procrastination, the tendency to unnecessarily delay or put off tasks even if this will have negative consequences, is a common behavior for many people. While occasionally delaying or putting off bothersome tasks is not ...
Phys.org / Huayuan biota decodes Earth's first Phanerozoic mass extinction
Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world to one teeming with animal life, as nearly all major animal phyla appeared abruptly in the fossil ...
Phys.org / Highly stable Cu₄₅ superatom could transform carbon recycling
After years of trying, scientists have finally created a stable superatom of copper, a long-sought-after chemical breakthrough that could revolutionize how we deal with carbon emissions.
