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Phys.org / Cannabis farming is changing streams in California, experts warn

Groundwater pumped to irrigate cannabis crops in California's Emerald Triangle can cause some streams that normally run year-round to dry up entirely during summer, say researchers from Simon Fraser University, the University ...

Aug 4, 2026
Phys.org / Two materials, one photonic chip: Unlocking a new way to generate light frequencies

Modern photonic chips can pack sophisticated optical functions onto devices smaller than a fingernail. They are increasingly used to generate, manipulate and measure light for applications ranging from communications to sensing. ...

Aug 4, 2026
Medical Xpress / Immune cells in human lung tissue may drive the development of autoimmune disease

A massive analysis of immune cells in human tissue is yielding clues to the root causes of lung and autoimmune diseases.

Aug 4, 2026
Medical Xpress / What's in kratom products? Tests find 85% conflict with labels

What's listed on a kratom product label may not tell the full story. Researchers in the University of Florida College of Pharmacy have found that commercially available kratom products, including many kratom-derived products, ...

Aug 4, 2026
Medical Xpress / Large-scale brain scan study reveals unexpected differences in motor and visual regions linked to depression

Major depressive disorder, commonly referred to as depression, is a debilitating psychiatric disorder estimated to affect roughly 5% of the global population. Depression is characterized by persistent sadness and hopelessness, ...

Aug 2, 2026
Phys.org / How the 'fecal revolution' changed Earth's ecosystems

An international study led by Flinders University has found a fertile area of inspiration to explain an important step in evolution—and it's a whole lot of poop. The new study describes the "fecal revolution" to explain a ...

Aug 4, 2026
Phys.org / Decades-old theory for how insect societies evolve challenged

For more than 60 years, evolutionary biologists have debated whether a unique genetic system found in ants, bees and wasps helps explain one of nature's most remarkable innovations: eusociality, a form of social organization ...

Aug 4, 2026
Phys.org / Quantum fluid reveals hidden states that can be switched with a magnetic field

Bose-Einstein condensates (BECs) are often described as a "fifth state of matter": a quantum state in which many particles lose their individual identities and behave as one collective object. For more than 60 years, researchers ...

Aug 4, 2026
Phys.org / New catalyst design selectively suppresses competing hydrogen reaction in ammonia synthesis

A research team led by professor Yousung Jung from the Department of Chemical and Biological Engineering at Seoul National University College of Engineering has developed a new catalyst design principle that suppresses the ...

Aug 4, 2026
Phys.org / New models shed light on how an exotic phase of hydrogen in Earth's core may behave

While Earth's core consists mostly of iron, its density implies that lighter elements are also mixed in. Because hydrogen is abundant in the universe and can mix with iron under certain conditions, scientists suspect it makes ...

Aug 3, 2026
Phys.org / How simple amber lights could make nights safer for insects

Approximately 40% of insect species worldwide are thought to be in decline and under threat of extinction. Among the key causes are habitat loss, pollution and climate change. Another threat is artificial light from sources ...

Aug 2, 2026
Medical Xpress / 3D genome mapping in rare immune cells reveals new Crohn's disease genes

A new study co-led by professor Valeriya Malysheva, group leader at the VIB-UAntwerp Center for Molecular Neurology, published in Nature Genetics, uncovers how the three-dimensional organization of DNA in rare immune cells ...

Aug 4, 2026