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Tech Xplore / AI is replacing humans in responding to some surveys, but simulated opinions are not the same as public opinion

Surveys and polls help societies understand what people think about issues in politics, health, education and much more. But fewer people these days tend to respond, so pollsters have to reach out more widely, which raises ...

1 hour ago
Phys.org / As snow droughts continue to threaten global food security, research calls for climate-resilient agriculture practices

Global climate change is reshaping agricultural ecosystems. As warmer winters become more prevalent, snow droughts caused by insufficient snowfall are becoming more frequent. This leaves winter wheat, which relies on snow ...

2 hours ago
Phys.org / Quantum teleportation carries microwave states at temperatures up to 4 K, beating classical limit

A growing number of quantum engineers worldwide have been trying to realize large-scale quantum networks, which consist of several connected quantum computers or devices that share information with each other. The successful ...

4 hours ago
Medical Xpress / Stress before conception may reprogram sperm and boost male offspring growth

Research from the University of Colorado Anschutz suggests that stress experienced by a father before conception may influence an offspring's growth by altering small molecular signals in sperm. The study, published in iScience, ...

2 hours ago
Phys.org / Coral study could help explain infertility and ovarian cancer by decoding cilia-driven fluid flows

A study by researchers at The University of Manchester, carried out alongside the Universities of Melbourne and Copenhagen, could hold the key to understanding the causes of long-term health problems, such as infertility ...

2 hours ago
Tech Xplore / Solar-powered desalination system turns ocean water into drinking water, without waste

The United Nations estimates that 2.2 billion people lack safely managed drinking water, and communities from California to the Middle East rely on desalination plants to convert ocean water to fresh water. Common desalination ...

2 hours ago
Medical Xpress / Blacks, Hispanics and Asians use asthma inhalers less than whites, study finds

Despite guidelines recommending daily controller inhalers as the best treatment for asthma, new UCLA-led research finds that Blacks, Hispanics and Asians use them less than whites, suggesting that socioeconomic factors and ...

1 hour ago
Phys.org / Europe heat wave 'brutal reminder' of climate change: UN

The UN climate chief said Wednesday that a record-breaking early heat wave scorching a swathe of western Europe was "a brutal reminder of the spiraling impacts of the climate crisis."

1 hour ago
Phys.org / Fake predator eyes scare off seabirds until they learn they're not real

In Danish fisheries, fish-eating seabirds are a menace. They often swoop down and feed on fish trapped in nets, which can hit profits and also sometimes lead to the accidental death of the birds. So scientists deployed an ...

4 hours ago
Medical Xpress / Years after polyp removal, gut microbiome changes may still shape colorectal cancer risk

More than a decade after removal of an adenoma—a precancerous mass—from the colon, alterations to the gut microbiome and metabolites remain and may drive heightened risk of colorectal cancer (CRC), according to a study led ...

3 hours ago
Phys.org / Reconstructed 1.5‑billion‑year‑old protein network reveals hundreds of hidden disease‑linked genes

A University of Texas at Austin-led team has reconstructed the most detailed map to date of the molecular machines that carried out the functions of life in an ancient ancestor that gave rise to all complex life on Earth, ...

3 hours ago
Medical Xpress / Extreme trait values may trace to rare genes with outsized effects, analysis suggests

Researchers at the Icahn School of Medicine at Mount Sinai have found evidence that people who fall at the extreme high or low ends of certain traits, such as cholesterol, blood glucose, height, and age at menopause, are ...

3 hours ago