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Medical Xpress / FDA-issued sodium targets yield no apparent impact

In 2021, the U.S. Food and Drug Administration (FDA) issued Phase I voluntary sodium reduction targets to encourage manufacturers to lower the amount of sodium in packaged food products by 2024. The targets appear to have ...

Jul 25, 2026
Phys.org / Why a tiny social media post has mathematicians rethinking AI

As millions of people were coming down from the excitement of the FIFA World Cup final at the start of this week, a different kind of excitement was building within the mathematical community. Levent Alpöge, a mathematician ...

Jul 22, 2026
Phys.org / Exploring the lost golden age of language diversity before expanding empires drove a global decline

Today, people speak or sign around 7,500 languages. Yet this figure provides only a snapshot of a constantly changing history. How many languages existed before written records? Did agriculture reduce linguistic diversity ...

Jul 23, 2026
Phys.org / Mars auroras reveal miniature version of Earth's magnetic engine

NASA MAVEN (Mars Atmosphere and Volatile Evolution) mission scientists have uncovered a key puzzle piece in understanding certain types of auroras on Mars, finding that they form in a similar way to Earth–based auroras.

Jul 23, 2026
Phys.org / Transmissible cancer cells discovered in fish act more like parasites than traditional tumors

A team of Vermont researchers has discovered that mysterious black skin lesions afflicting catfish in Lake Memphremagog and other New England and Canadian lakes are caused by a transmissible cancer—the first identified in ...

Jul 22, 2026
Phys.org / Light-driven chemistry steers electron transfers beyond redox limits

Chemists use single-electron transfers to synthesize complex, ring-shaped molecular structures found in many drug candidates and advanced materials, but current techniques still have limitations. A new study, accepted for ...

Jul 20, 2026
Medical Xpress / Oral antiviral blocks airborne measles-like virus spread in ferret model

A new oral antiviral drug candidate, administered either before or after direct-contact or airborne exposure to canine distemper virus, which causes measles-like disease in ferrets, blocks virus transmission and reduces clinical ...

Jul 24, 2026
Phys.org / How an iceberg may have stopped emperor penguins from breeding on Coulman Island in 2025

The number of chicks in the Coulman Island emperor penguin colony decreased by about 69% in 2025 compared with 2024, according to research published in Communications Earth & Environment. The authors suggest that a large ...

Jul 23, 2026
Phys.org / AI may not make us stupid, but relying on it could weaken the skills built through practice

The worry of becoming stupid isn't new; it dates back to the time of the Greek philosopher Socrates, who insisted that writing would destroy memory and weaken the mind. Then came calculators, GPS and computers, all of which ...

Jul 20, 2026
Phys.org / Not every meal has the same impact: Researchers reveal the hidden footprint of our food

Leiden environmental researchers have mapped the environmental footprint of different diets and revealed which population groups have the greatest impact through their food choices. Their findings show where efforts to make ...

Jul 23, 2026
Phys.org / Plant diversity boosts natural pest control in farms, while forests and grasslands follow different rules

Plant diversity has long been regarded as key to stable and resilient ecosystems. However, until now, little has been understood about why it has different effects in agricultural areas than in grasslands or forests. An international ...

Jul 23, 2026
Tech Xplore / Fine-tuned perovskites make blue LEDs more vibrant

Over the past decade, perovskite LEDs have become increasingly vibrant and affordable to produce. With careful tweaks to their chemical composition, these crystal-based light emitters can be tuned across the visible spectrum—matching ...

Jul 20, 2026