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Smart packaging film 'lights up' under UV as meat loses freshness
Science News

Smart packaging film 'lights up' under UV as meat loses freshness

Food spoilage causes chemical changes that are not always easy to detect by appearance alone. To provide a clearer indication of freshness and quality, researchers at Kyushu University have developed a smart packaging film that changes color and glows under ultraviolet (UV) light as meat loses freshness. Tested with refrigerated mutton, the film responds to compounds released during spoilage, offering two ways to track changes in food quality. The findings are published in the Chemical Engineering Journal.

📅 2026-11-06 18:40:01    •    Phys.org
The worse climate change gets, the harder it becomes to stop it
Science News

The worse climate change gets, the harder it becomes to stop it

This year may be seen as a turning point in the climate crisis. The U.N. has accepted that global warming is going to exceed 1.5°C, while climate scientists have concluded that the rate of warming has effectively doubled over the past decade.

📅 2026-11-06 18:20:01    •    Phys.org
SynFit guides enzyme engineering by balancing several useful traits at once
Science News

SynFit guides enzyme engineering by balancing several useful traits at once

Enzymes are biology's tiny chemists. They help build, break and rearrange molecules quickly and precisely. In the lab, scientists have long put enzymes to work making useful chemicals. But nature's enzymes cannot do every reaction a researcher might want. Sometimes scientists need an enzyme to take on a job it did not evolve to do. That's where enzyme engineering comes in—researchers make changes to an enzyme, test how those changes affect what the enzyme does and look for versions that work better.

📅 2026-11-06 18:00:03    •    Phys.org
Vibrating mirrors of light create analog of a black hole event horizon
Science News

Vibrating mirrors of light create analog of a black hole event horizon

Optical cavities are pairs of light-trapping mirrors and underpin the operation of lasers, atomic clocks and many types of precision sensors. If the distance between the mirrors is changed rapidly enough, some theories predict that the waves inside them should bunch together into short, intense pulses. So far, however, this prediction has never been tested directly.

📅 2026-11-06 17:40:11    •    Phys.org
Atom-scale model could help improve material growth for advanced electronics
Science News

Atom-scale model could help improve material growth for advanced electronics

Penn State researchers have refined an atom-scale model of how silicon carbide changes from a solid into vapor during crystal growth, work that could help manufacturers produce higher-quality material for advanced electronics while reducing costly trial-and-error experiments.

📅 2026-11-06 17:20:07    •    Phys.org
States tax sports betting heavily, but gamblers may barely feel it
Science News

States tax sports betting heavily, but gamblers may barely feel it

Sports betting has grown explosively since 2018, when a U.S. Supreme Court ruling struck down a federal ban on it. Now, Americans wager more than $165 billion on sports annually, contributing to an industry larger than state-run lotteries even excluding prediction markets such as Kalshi and Polymarket.

📅 2026-11-06 17:20:01    •    Phys.org
Scientists achieve record-breaking low temperature on China's space station, paving the way for new physics experiments
Science News

Scientists achieve record-breaking low temperature on China's space station, paving the way for new physics experiments

Matter starts to behave differently at extremely low temperatures, creating conditions ideal for studying quantum physics and new states of matter. Now, researchers from China have achieved a new low-temperature record aboard their Tiangong space station. Their research, recently published in Science, might lead to a new generation of experiments in quantum physics and precision measurements in space.

📅 2026-11-06 17:00:17    •    Phys.org
Evolutionary history and genetic basis of spruce diversification revealed
Science News

Evolutionary history and genetic basis of spruce diversification revealed

The genus Picea (spruce) is widely distributed across the Northern Hemisphere and is a dominant component of boreal and montane forests. Understanding the evolutionary processes that have shaped diversification and regional differentiation across the genus requires a well-resolved phylogeny of Picea. However, the evolutionary history of Picea has long been obscure due to conflicting genetic signals.

📅 2026-11-06 17:00:01    •    Phys.org