Phys.org news

Phys.org / Sediment cores from Pacific Highs reveal 100 million years of environmental change

Deep sea sediments contain treasure troves of information about marine ecosystems and past climate scenarios, yet remain understudied clues into Earth's environmental future, according to researchers.

Jun 6, 2025 in Earth
Phys.org / Aged dust particles act as 'chemical reactors in sky' to drive air pollution, study finds

Dust particles thrown up from deserts such as the Sahara and Gobi are playing a previously unknown role in air pollution, a new study has found.

Jun 6, 2025 in Earth
Phys.org / Engineered oilseed crop produces high levels of powerful antioxidant

In a major step forward for sustainable pigment production, scientists have successfully engineered the oilseed crop Camelina sativa to produce high levels of astaxanthin—a valuable red antioxidant used to color farmed ...

Jun 6, 2025 in Biology
Phys.org / Ultrasensitive fluorescent sensor detects toxic sarin gas by adjusting recognition site density

Sarin (isopropyl methyl fluorophosphonate) is an organophosphorus nerve agent regulated by the Convention on the Banning of Chemical Weapons. It can enter the body through the respiratory system, skin, or eyes, paralyzing ...

Jun 6, 2025 in Chemistry
Phys.org / Amino acids as catalysts in the emergence of RNA

The question of how life could have emerged is one of the most long-standing mysteries in science. In a new study, the laboratory of LMU Professor Dieter Braun has uncovered an unexpected form of molecular collaboration between ...

Jun 6, 2025 in Biology
Phys.org / Probiotic-powered dissolvable battery activates in acidic environments and leaves no toxic residue

In the "Mission: Impossible" films, superspy Ethan Hunt—played by Tom Cruise—gets orders from his superiors on various devices that self-destruct in five seconds. Could electronics disintegrate into nothing in real life? ...

Jun 6, 2025 in Nanotechnology
Phys.org / First named pterosaur from Japan sheds light on ancient flying reptiles

A team of researchers from Japan, China, and Brazil have discovered a new species of pterosaur from the Late Cretaceous of Japan, marking the first time a pterosaur has been named based on body fossils found in the country.

Jun 6, 2025 in Biology
Phys.org / Probing hyperon potential to resolve a longstanding puzzle in neutron stars

A research team led by Prof. Yong Gaochan from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences has proposed a novel experimental method to probe the hyperon potential, offering new insights into resolving ...

Jun 6, 2025 in Physics
Phys.org / Discovering the rich biodiversity of coral reefs using a new cutting-edge eDNA system

Just a few meters beneath the clear, blue waters of Okinawa, reef-building corals known as Scleractinia have quietly lived for centuries. Slowly, layer by layer, they have constructed intricate, rigid structures made of calcium ...

Jun 6, 2025 in Biology
Phys.org / Chemists design a next generation of weight-loss drugs

Weight-loss drugs like Ozempic and Wegovy are used by more than 15 million adults in the U.S., or 4.5% of the population. Despite their effectiveness, they have drawbacks. Their effect may not last after discontinuing use, ...

Jun 6, 2025 in Chemistry
Phys.org / Ultra-selective aptamers give viruses a taste of their own medicine

Inspired by the way viruses attach to cells, EPFL scientists have developed a method for engineering ultra-selective aptamers.

Jun 6, 2025 in Nanotechnology
Phys.org / Coral art: Drawing out the secrets of coral reef resilience to high ocean temperatures

When Victoria Glynn came to Panama to study the effects of extreme ocean temperatures on coral reefs at the Smithsonian Tropical Research Institute (STRI) as a pre-doctoral fellow in professor Rowan Barrett's lab at McGill ...

Jun 6, 2025 in Biology