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Phys.org / A better way to search for extraterrestrial intelligence

When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it in the most efficient way. But work so far has generally not done so, writes Benjamin Zuckerman, ...

3 hours ago
Phys.org / DESI-HVS1 is an old hypervelocity star ejected from the galactic center, observations suggest

Chinese astronomers report the discovery of DESI-HVS1, which may be an old metal-poor hypervelocity star of galactic center origin. The finding, based on the data from the Dark Energy Spectroscopic Instrument (DESI) and ESA's ...

1 hour ago
Phys.org / Dinosaurs may have originated 10 million years earlier than fossils show

Dinosaurs are among the most majestic and iconic animals to have ever walked on our planet. While they are now extinct, they are estimated to have inhabited Earth for over 165 million years.

3 hours ago
Phys.org / When the Schuylkill swallowed the city: Lessons from Hurricane Ida's historic flood

New Penn research shows that Hurricane Ida wasn't a once-in-a-century anomaly but a preview of how climate change, urbanization, and aging infrastructure are rewriting flood risk.

1 hour ago
Medical Xpress / Patients clam up with medical AI, and that gap could reshape digital diagnosis

It is quite possible that in the near future, people will have to describe their symptoms to an AI before they can get a doctor's appointment. The AI will then decide whether it is an emergency or if treatment can wait, and ...

1 hour ago
Phys.org / After flames strip hillsides bare, the next storm can unleash something far more destructive downstream

Wildfires can increase flooding risks in and downstream of burned areas by removing vegetation and disturbing hydrologic processes. As the climate changes, the severity of both wildfires and heavy rainfall events is increasing, ...

1 hour ago
Medical Xpress / How individual consciousness works—and makes us unique

As we go through life, our brains run different processing modes. Some—the attention and sensory systems—result in very similar experiences of the world: what color the sky is, how warm the day feels.

1 hour ago
Phys.org / Physicists achieve first-ever 'quadsqueezing' quantum interaction

Researchers at the University of Oxford have demonstrated a new type of quantum interaction using a single trapped ion. By creating and controlling increasingly complex forms of "squeezing" – including a fourth-order effect ...

2 hours ago
Phys.org / Physicists have measured 'negative time' in the lab

As Homer tells us, Odysseus made an epic journey, against the odds, from Troy to his home in Ithaca. He visited many lands, but mostly dwelt with the nymph Calypso on her island. We can imagine that his wife, Penelope, would ...

2 hours ago
Medical Xpress / Cell-by-cell analysis uncovers 345 risk genes across six neuropsychiatric disorders

The emergence of neuropsychiatric disorders, conditions that affect various brain functions and behaviors, is known to be driven by an intricate combination of factors. These can include both a genetic predisposition and ...

4 hours ago
Tech Xplore / For autonomous robots, not all rules are equal

From driving cars to flying drones, as autonomous robots take on more responsibility, they also face more human-like dilemmas—including what to do when rules collide.

2 hours ago
Medical Xpress / 'Nose noticeability' affects facial attractiveness, study suggests

Attractiveness of the nose affects how people view the face—with attractive noses actually drawing less attention than unattractive noses, reports a study in the May issue of Plastic and Reconstructive Surgery.

1 hour ago