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Phys.org / Early human embryonic cells may be vulnerable to SARS-CoV-2 infection

A University of California, Riverside study reports that cells in the earliest stages of human development could be susceptible to infection by SARS-CoV-2, which causes COVID-19, offering new insight into how the virus interacts ...

20 hours ago
Medical Xpress / The Bondi Beach terror attack mobilized a team of volunteer medics. Here's what we learned

Warning: this article contains details of injuries sustained during a terrorist attack.

18 hours ago
Medical Xpress / Cold skin, hot heart, one gene: Hidden temperature switch decides where disease appears

The saying "cold hands, warm heart" is usually meant metaphorically—but new research from UC Davis School of Medicine and collaborating institutions suggests it has a striking biological parallel.

20 hours ago
Tech Xplore / Human-guided AI system could strengthen advanced reactor monitoring and control

Nuclear reactors generate reliable, low-carbon electricity by using heat from nuclear fission to turn turbines. These steady energy producers are a crucial component of clean power generation. Nuclear engineers are responsible ...

18 hours ago
Medical Xpress / Blocking stress signals could limit harmful inflammation after heart attack

After a heart attack, the body rapidly floods the injured heart with neutrophils—white blood cells that help repair damage but can also make it worse when too many arrive too quickly. New research from the University of Oklahoma ...

20 hours ago
Phys.org / Tokamak regime sustains stable fusion plasma for one minute while easing heat loads

For the first time, a research team has demonstrated, in a metal-wall environment, a plasma regime that simultaneously achieves partial divertor detachment, an edge-localized-mode (ELM)-free high-confinement mode (H-mode), ...

Apr 29, 2026
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 ...

May 1, 2026
Phys.org / 5th-century Belgian burial with 'scrap metal' may reveal missing link between Roman and Merovingian monetary systems

A study published in the journal Britannia analyzed coins and metal items found in an early 5th-century AD burial in Oudenburg, Belgium. The burial occurred around the same time that base metal coins ceased arriving in northwestern ...

May 1, 2026
Phys.org / An interplanetary shortcut can speed up trips to Mars

Whether it's robotic rovers heading to Mars or, one day, a crew of astronauts, a round-trip journey is an incredibly long one. But there may be a way to find a shortcut. A new study published in the journal Acta Astronautica ...

Apr 27, 2026
Phys.org / Frozen-in gravity: A new way to understand the evolution of spacetime dynamics

The concept of spacetime, first described in Einstein's theory of general relativity, has since been widely studied by many physicists worldwide. Spacetime is described mathematically as a four-dimensional (4D) continuum ...

Apr 30, 2026
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 ...

May 1, 2026
Phys.org / Thinner than hair and stretchable like rubber, this new shield tackles a space-age problem in one layer

Shielding materials are essential in key modern industrial settings—such as spacecraft, nuclear power plants, semiconductor equipment, and advanced medical devices—to protect both equipment and personnel from electromagnetic ...

Apr 28, 2026