Archaeology

Study challenges popular idea that Easter islanders committed 'ecocide'

Some 1,000 years ago, a small band of Polynesians sailed thousands of miles across the Pacific to settle one of the world's most isolated places—a small, previously uninhabited island they named Rapa Nui. There, they erected ...

General Physics

Key mechanism in nuclear reaction dynamics promises advances in nuclear physics

Researchers have made significant progress in understanding the transfer of neutrons in weakly bound nuclei. The experiment, performed at Legnaro National Laboratory, focused on the one-neutron stripping process in reactions ...

Biophysicists decipher functionality of adrenaline-binding receptor

G protein-coupled receptors (GPCRs) are found throughout the human body and are involved in many complex signaling pathways. Despite their importance in many biological processes, the central mechanism of G protein-coupling ...

Study identifies first drug therapy for sleep apnea

Researchers at University of California San Diego School of Medicine and international collaborators have led a worldwide, advanced study demonstrating the potential of tirzepatide, known to manage type 2 diabetes, as the ...

C. elegans study finds mRNA balance in cells influences lifespan

Why do some people live for longer than others? The genes in our DNA sequence are important, helping avoid disease or maintain general health, but differences in our genome sequence alone explain less than 30% of the natural ...

Mapping the heart to prevent damage caused by a heart attack

Scientists at the Victor Chang Cardiac Research Institute in Australia have produced a first of its kind integrated map of heart cells which unlocks the process of cardiac fibrosis—a major cause of heart failure.

Study uncovers hidden DNA mechanisms of rare genetic diseases

Researchers at the Pacific Northwest Research Institute (PNRI) and collaborating institutions have made a discovery that could significantly advance our understanding of genomic disorders. Their latest study, published in ...

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Medical Xpress

Tech Xplore

Stand-up comedians test ability of LLMs to write jokes

A small team of AI researchers at Google's DeepMind project has found that LLMs are not very good at writing jokes that are funny. They asked stand-up comedians to use LLMs to write a stand-up routine for them and posted ...

Exploring the roots of the Anthropocene

Understanding how tropical land use and deforestation affects the dynamics of the global Earth system and identifying potential tipping points are key to the future of our species on this planet. By exploring the long history ...

Ariane 6 launches: Splashdown for Nyx Bikini

Europe's newest rocket soon launches, taking with it many space missions each with a unique objective, destination and team at home, cheering them on. Whether launching new satellites to look back and study Earth, peer out ...

How E. coli defends itself against antibiotics

Imagine that you have a very sore throat. You're sick, your throat hurts, and a visit to the doctor confirms that the pain is due to a bacterial infection. You get a prescription for antibiotics, which quickly sorts out your ...

Study suggests pawn loans compound the pain for many

Australia's pawnbroking industry is too lightly regulated, harming vulnerable consumers and leaving them in greater financial distress, according to new research by the University of Melbourne. The work is available in the ...

Trying to put the brakes on car ownership

To limit pollution and traffic congestion in Beijing, officials in 2011 imposed a citywide restriction on the number of automobiles residents can purchase annually. That policy has helped limit car sales and emissions. But ...

Absorbent aerogels show some muscle

A simple chemical process developed at Rice University creates light and highly absorbent aerogels that can take a beating.

Facemasks block expired particles, despite leakage at edges

A new study from the University of California, Davis and the Icahn School of Medicine at Mount Sinai confirms that surgical masks effectively reduce outgoing airborne particles from talking or coughing, even after allowing ...

Driverless cars will make you sick – but there's a fix

Driverless cars will usher in a transport utopia, at least according to many of their proponents. Concept art for these futuristic vehicles often show passengers sat facing each other, reading, working or enjoying some other ...

The world's plastic problem is bigger than the ocean

As you read this, a strange object that looks like a 2,000-foot floating pool noodle is drifting slowly through the central north Pacific Ocean. This object is designed to solve an enormous environmental problem. But in so ...

Delhi 'lungs' turn sickly brown in days

A pair of artificial lungs put up in New Delhi to demonstrate the lethal effects of smog have turned a sickly dark brown within 10 days of their installation, underscoring the city's pollution crisis.

Microorganisms help production

Oil is still the most economically attractive resource for fuels and basic chemicals that can be used to manufacture everyday products such as plastic bottles and detergent. New biotechnological processes aim to simplify ...