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Phys.org / A robot that reads bacteria by touch, without staining or chemical labels

Fast identification of bacteria is important in health care, food safety, environmental monitoring and infection control. One of the most common first steps is gram classification, which separates bacteria into gram-positive ...

3 hours ago
Phys.org / Intricate molecular mechanisms help bacteria evade immune detection

Northwestern Medicine scientists have identified a novel mechanism used by the bacteria responsible for gonorrhea to evade immune detection and achieve widespread infection, according to a recent study published in the Proceedings ...

8 hours ago
Phys.org / Grasses provide most of the world's calories—but we're only now starting to learn how they grow

If we want to dismiss something as irrelevant, we'd say that it's "as boring as watching the grass grow." And yet grasses—including corn, wheat and rice—make up most of the plant-based calories humans eat, as well as most ...

7 hours ago
Phys.org / Tiny worms reveal backup circuits that keep survival reflexes from failing

A research team led by Professor Chaogu Zheng from the School of Biological Sciences at the University of Hong Kong (HKU), in collaboration with scientists from Princeton University and Columbia University, has discovered ...

4 hours ago
Tech Xplore / Neutrons track lithium in working solid-state battery, revealing uneven charging

Batteries are part of everyday life, powering everything from phones and laptops to electric cars. Most rechargeable batteries use a liquid to help lithium ions move during charging and discharging. But this liquid can create ...

8 hours ago
Phys.org / Saturday Citations: Blue zone longevity; soft tissue find predates dinosaurs; black hole collisions simplified

This week, researchers reported finding nanoplastics in Antarctic soils for the first time, suggesting they were delivered via long-range atmospheric transport. A study associates the use of hormonal birth control with the ...

7 hours ago
Medical Xpress / Bacterial responses to plasma may forecast mild vs severe COVID-19

Information processing using living organisms is an important area of biotechnology that has already been explored in previous studies.

8 hours ago
Medical Xpress / Forget GLP-1s—GLP-3s show promise in phase 3 weight loss and diabetes trial

Phase 3 clinical trial results (TRANSCEND-T2D-1) published in The Lancet report that retatrutide, an investigational once-weekly injection for diabetes management, can significantly improve blood sugar levels and lead to ...

3 hours ago
Dialog / Dark energy flips its sign, but the Hubble tension refuses to budge

For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the Supernova Cosmology Project, led by Saul Perlmutter, and the High-Z Supernova Search Team, led by ...

22 hours ago
Phys.org / World's largest whale graveyard discovered by Chinese sub

The world's largest whale graveyard has been discovered at the bottom of the Indian Ocean by Chinese scientists, who found that the vast expanse of both new and ancient carcasses supports huge communities of deep-sea life.

3 hours ago
Phys.org / Managing water with local wisdom and science

Across a narrow watershed in Asakura, a rural city in Fukuoka Prefecture, centuries-old stone channels still guide water through fields and into the river below. Today, those same systems are the focus of researchers at Kyushu ...

2 hours ago
Phys.org / Cast away: Tracing the voyage of a plastic bottle cap and its hitchhiking marine species

Researchers have traced the journey of a plastic bottle cap recovered near the waters of southern Japan by combining data from the label, chemical clues in tiny shells and ocean current simulations. They found 307 organisms, ...

6 hours ago