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Phys.org / Study advocates cross-tier traceability to improve food safety

The Hong Kong SAR imports more than 90% of its food, and it can be very difficult, when food safety incidents occur, to trace the source across a complex supply chain. Prof. Leng Mingming, dean of the Faculty of Business ...

Jun 17, 2026
Phys.org / Digital twin predicts Alaska permafrost changes using real-time sensors and AI

Communities around the world have adapted to live on the year-round frozen soil of frigid environments, such as in the Arctic. However, rising temperatures have introduced a new challenge: What happens when the ground under ...

Jun 16, 2026
Medical Xpress / Study finds ~15 percent of U.S. pregnant women report drinking in past 30 days

From 2021 to 2024, 15.2% of U.S. pregnant women reported drinking alcohol in the past 30 days, according to research published in the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.

Jun 17, 2026
Phys.org / How the invention of glassblowing changed everyday life in ancient Rome

We see glass objects every day and often don't think much about them. Mass-produced glass has become so cheap we barely think about the things it allows us to do.

Jun 14, 2026
Medical Xpress / Could seeing themselves in a mirror help babies copy others?

A new study has assessed whether exposure to their own reflection influences the development of facial mimicry, a process associated with empathy and emotion recognition, in 4-month-old infants. The results showed that infants ...

Jun 17, 2026
Phys.org / Benzene reaction may explain how DNA and RNA building blocks formed on early Earth

Caltech researchers have identified a novel chemical reaction that could explain the formation of the building blocks of DNA and RNA, the molecules that encode all of life's functions. The work is an important step toward ...

Jun 15, 2026
Tech Xplore / Liquid cooling technology for semiconductor chips is 10 times more efficient than previous record

AI data centers are power-hungry. Not only do artificial intelligence computations consume enormous amounts of electricity, but a significant amount of energy is also required to cool the semiconductor chips that heat up ...

Jun 15, 2026
Phys.org / A handful of teeth may rewrite the story of marsupial evolution

Researchers have found evidence of a previously unknown branch of the marsupial family tree, a discovery that could reshape our understanding of how Australia's unique mammals evolved. Published in the Journal of Paleontology, ...

Jun 15, 2026
Phys.org / Chandra reveals flickering supernova remnants in M83 over 14 years

The aftermath of a supernova, a stellar explosion, is usually a slowly fading cloud of hot gas. So when astronomers pointed NASA's Chandra X-ray Observatory at the nearby galaxy Messier 83 (M83), they did not expect to find ...

Jun 15, 2026
Phys.org / A cornerstone of Milky Way history may need rewriting with evidence of multiple ancient mergers

Astronomers may have uncovered new details about one of the Milky Way's most important ancient collisions. Using data from the Dark Energy Spectroscopic Instrument (DESI) and a new clustering algorithm, researchers have found ...

Jun 12, 2026
Phys.org / Global data declaration targets illegal fishing

Fifteen countries signed a global declaration Wednesday aimed at combating illegal and destructive fishing with better data.

Jun 17, 2026
Dialog / When less is more: Scaling law explains why ultrathin materials get stronger as they get thinner

One of the most fascinating aspects of physics is that nature often behaves in ways that seem completely counterintuitive. A good example comes from ultrathin materials. If I take a sheet of material and make it thinner ...

Jun 14, 2026