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Phys.org / Single-cell testing shows which antibiotics actually kill bacteria, not just stop growth

Drugs that act against bacteria are mainly assessed based on how well they inhibit bacterial growth under laboratory conditions. A critical factor, however, is whether the active substances actually kill the pathogens in ...

Jan 9, 2026 in Biology
Phys.org / Orange pigments in birds and human redheads prevent cellular damage, study shows

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells. Pheomelanin is an orange-to-red pigment that is built with the amino acid cysteine and found in human red ...

Jan 6, 2026 in Biology
Phys.org / Radio telescopes uncover 'invisible' gas around record-shattering cosmic explosion

Astronomers using the U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) instruments, the U.S. National Science Foundation Very Large Array (NSF VLA) and the Atacama Large Millimeter/submillimeter ...

Jan 11, 2026 in Astronomy & Space
Phys.org / Engines of light: New study suggests we could increase useful energy obtained from sunlight

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one of science's oldest challenges—how to turn heat into useful energy.

Jan 9, 2026 in Physics
Tech Xplore / Perovskite solar cells maintain 95% of power conversion efficiency after 1,100 hours at 85°C with new molecular coating

Scientists have found a way to make perovskite solar cells not only highly efficient but also remarkably stable, addressing one of the main challenges holding the technology back from widespread use.

Jan 9, 2026 in Engineering
Phys.org / Laser pulse 'sculpting' unlocks new control over particle acceleration

In high-intensity laser–matter interactions, including laser-induced particle acceleration, physicists generally want to work with the highest possible focused laser peak power, which is the ratio of energy per unit area ...

Jan 9, 2026 in Physics
Phys.org / 60,000-year-old traces of world's oldest arrow poison reveal early advanced hunting techniques

Researchers from South Africa and Sweden have found the oldest traces of arrow poison in the world to date. On 60,000-year-old quartz arrowheads from Umhlatuzana Rock Shelter in KwaZulu-Natal, South Africa, researchers have ...

Jan 7, 2026 in Other Sciences
Phys.org / Indian rocket hits snag during launch

An Indian rocket hit a snag during its launch Monday, forcing a deviation in flight path as it carried an Earth observation satellite and commercial payloads, the country's space agency said.

Jan 12, 2026 in Astronomy & Space
Phys.org / Seaweed farms boost long-term carbon storage by altering ocean chemistry, study shows

Seaweeds are versatile algae. They are sources of food, medicine, and many other products, and they have the added benefit of being extremely efficient at removing CO2 from the atmosphere as they grow.

Jan 9, 2026 in Earth
Phys.org / North Pacific winter storm tracks shifting poleward much faster than predicted

Alaska's glaciers are melting at an accelerating pace, losing roughly 60 billion tons of ice each year. About 4,000 kilometers to the south, in California and Nevada, records for heat and dryness are being shattered, creating ...

Jan 7, 2026 in Earth
Tech Xplore / Coal tailings could solve United States' need for rare earth elements

Rare earth elements are an easy-to-find, hard-to-refine resource critical for everything from magnets and electronics to batteries and catalysts for chemical reactions. Since the 1980s, a race has been on between the United ...

Jan 8, 2026 in Business
Phys.org / Replication efforts suggest 'smoking gun' evidence isn't enough to prove quantum computing claims

A group of scientists, including Sergey Frolov, professor of physics at the University of Pittsburgh, and co-authors from Minnesota and Grenoble have undertaken several replication studies centered around topological effects ...

Jan 8, 2026 in Physics