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Medical Xpress / Wood burning in homes drives dangerous air pollution in winter, study finds

Throwing another log into a crackling fireplace on a cold winter's night might seem like a cozy, harmless tradition. But Northwestern University scientists have found residential wood burning is a major—yet often overlooked—contributor ...

Medical Xpress / FDA links ByHeart baby formula botulism outbreak to milk powder ingredient

Federal health officials say a milk ingredient used in ByHeart infant formula may be tied to a botulism outbreak that has sickened dozens of babies across the U.S. On Friday, the U.S. Food and Drug Administration (FDA) reported ...

22 hours ago in Health
Phys.org / First carbon-enhanced metal-poor stars discovered in Milky Way's companion

Using the Baryons Oscillation Spectroscopic Survey (BOSS) spectrograph, astronomers have discovered five new carbon-enhanced metal-poor stars in the Large Magellanic Cloud (LMC). This is the first time such stars have been ...

Jan 26, 2026 in Astronomy & Space
Phys.org / Amplifying feedbacks could drive Greenland ice sheet to near-complete disappearance

Greenland, which has been prominently in the news in recent days, hosts a vast ice sheet. If it melts, it will become one of the largest contributors to global sea-level rise. Under a high-emissions scenario, the Greenland ...

Jan 22, 2026 in Earth
Tech Xplore / Amorphous passivation strategy creates efficient, durable and flexible perovskite solar cells

Solar cells, devices that convert sunlight into electricity, are helping to reduce greenhouse gas emissions worldwide, promoting a shift toward renewable energy sources. Most solar cells used today are based on silicon, yet ...

Jan 26, 2026 in Energy & Green Tech
Phys.org / ATLAS confirms collective nature of quark soup's radial expansion

Scientists analyzing data from heavy ion collisions at the Large Hadron Collider (LHC)—the world's most powerful particle collider, located at CERN, the European Organization for Nuclear Research—have new evidence that ...

Jan 22, 2026 in Physics
Medical Xpress / Why U.S. middle-aged adults report more loneliness and poorer health than peers abroad

Americans born in the 1960s and early 1970s report higher loneliness and depressive symptoms and show poorer memory and physical strength than earlier generations. Such declines are largely absent in peer countries, particularly ...

Jan 26, 2026 in Psychology & Psychiatry
Tech Xplore / How sushi rolls inspired a flexible fiber chip as thin as a human hair

Scientists led by a team from Fudan University in Shanghai have created a new flexible fiber chip as thin as a human hair. The development could usher in a new generation of even smarter wearables for a range of applications, ...

Jan 26, 2026 in Engineering
Phys.org / Ancient Spanish trees reveal Mediterranean storms are intensifying

Ancient pine trees growing in the Iberian mountains of eastern Spain have quietly recorded more than five centuries of Mediterranean weather. Now, by reading the annual growth rings preserved in their wood, scientists have ...

Jan 24, 2026 in Earth
Phys.org / To reach net-zero, reverse current policy and protect the largest trees in the Amazon, say scientists

At the United Nations Climate Change Conference in 2015, countries around the world committed to striving towards net-zero greenhouse gas emissions by the middle of the 21st century. But achieving this goal is difficult, ...

Jan 26, 2026 in Earth
Phys.org / Toothbrush-activated powder whitens, repairs and protects teeth

Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and coffee. Chemical whiteners can help, but they can also damage teeth in the process. So, researchers ...

Jan 26, 2026 in Nanotechnology
Medical Xpress / ADHD and methylphenidate tied to higher adult BMI

Seoul National University Hospital researchers have linked childhood attention-deficit/hyperactivity disorder and methylphenidate exposure with higher adult overweight/obesity and slightly shorter adult height at ages 20 ...

Jan 26, 2026 in Attention deficit disorders