Phys.org news

Phys.org / Glowing fungi expose final enzyme that could make bioluminescent tools more efficient

Like fireflies and many deep-sea creatures, certain fungi can naturally emit light through bioluminescence pathways in which specialized enzymes convert chemical energy into visible light. Medical researchers have used fungal ...

5 minutes ago
Phys.org / How a 4,000-year-old city defied history's 'rules' by becoming more equal as it became more successful

For decades, historians have generally agreed that the progress of small villages as they evolved into cities came at the price of widening inequality. A small group of leaders, kings and priests, would inevitably seize control ...

13 hours ago
Phys.org / Birds clap in the dark to flirt: Nightjars reveal a hidden language of sound

Some birds sing to attract a mate. Others dance or display colorful feathers. But in the moonlit forests and shrublands of northern Argentina, one bird courts romance by snapping its wrists together, producing a sharp clapping ...

7 hours ago
Phys.org / Rare seals hide in underwater bubble caves to escape tourists

The uninhabited islet of Formicula in Greece's Inner Ionian archipelago is a popular tourist draw for its clear waters, swimming spots, and marine diversity. A major attraction is the Mediterranean monk seal, one of the world's ...

15 hours ago
Phys.org / SIRT6 protein could protect against age-related breakdown in chromatin, possibly help reverse aging

Researchers at Bar-Ilan University have successfully restored youthful patterns of DNA organization in the livers of old mice, reversing key molecular features associated with aging. The study, published in Nature Communications, ...

7 hours ago
Phys.org / Less low cloud cover lets in more heat from the sun—and may lock in centuries of sea level rise

According to NOAA, the global average sea level has risen 8–9 inches (21–24 centimeters) since 1880. The rate at which the sea level is rising is increasing, threatening coastal cities and ecosystems around the world.

14 hours ago
Phys.org / Intrepid tails—fluke photos confirm humpback whales mount 14,000 km open ocean crossing to breeding grounds

An international team of scientists have documented, for the first time, humpback whales traveling between breeding grounds in eastern Australia and Brazil, crossing more than 14,000 kilometers of open ocean. The findings ...

8 hours ago
Phys.org / Amazonian cocoa has a new edge: Two standout cultivars could change how growers fight witches' broom

Witches' broom disease, caused by the fungus Moniliophthora perniciosa, decimated cocoa crops in southern Bahia state, Brazil, in the 1990s. It was even the subject of a local soap opera and continues to plague the chocolate ...

8 hours ago
Phys.org / Climate catch-22: Cleaning up air pollution could speed key Atlantic current decline

It may sound counterintuitive, but new research suggests that cleaning up air pollution could contribute to a weakening of the Atlantic Meridional Overturning Circulation (AMOC). This is the ocean current system that acts ...

14 hours ago
Phys.org / Consistency check casts doubt on evolving dark energy

Cosmologists have long struggled to determine whether the universe's accelerating expansion is being driven by a simple cosmological constant, or whether dark energy's influence is evolving over time. In a new analysis published ...

19 hours ago
Phys.org / Tritium-infused graphene could sharpen the hunt for neutrino mass

While neutrinos are some of the most abundant particles in the universe, they remain among the least understood. One of the biggest puzzles is their mass: although experiments have shown that neutrinos must have some mass, ...

16 hours ago
Phys.org / Integrated solar reactor paves way to make 'clean' chemicals, plastics and food using solar energy

A new study led by Dr. Lin Su of Queen Mary University of London, published today in the Journal of the American Chemical Society, describes a new integrated solar reactor in which engineered Escherichia coli (E. coli) are ...

9 hours ago