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Phys.org / Before the melt begins, sea stars show hidden immune collapse and tissue failure driving a coastal die-off

Scientists are homing in on a mysterious wasting disease that has killed billions of sea stars along the Pacific coast of North America since 2013. Sea star wasting disease can rapidly wipe out entire populations, leaving ...

1 hour ago
Phys.org / Breathing new life into an ancient mystery: Unlocking the trilobite's respiratory secrets

For more than 270 million years, trilobites were among the most successful and diverse creatures on Earth, with over 22,000 known species spanning the Paleozoic Era. Yet, despite their abundance in the fossil record and their ...

1 hour ago
Phys.org / Penguin muscle map reveals how waddles and underwater 'flight' both work

Penguins may look charmingly awkward on land, but new research shows their bodies are finely tuned for powerful, efficient movement both on land and underwater. A team of anatomists from Midwestern University, in collaboration ...

1 hour ago
Medical Xpress / Ukraine's war amputees are breaking the pain-trauma cycle, with most regaining function and quality of life

Most war amputees experience steady improvements in pain, psychological symptoms and quality of life over time, according to a new study that followed 156 Ukrainian amputees for one year and was led by Northwestern Medicine ...

1 hour ago
Phys.org / North African-linked stone tools reached Iberia 700,000 years ago, evidence suggests

Members of the Atapuerca Research Team from the Institut Català de Paleoecologia Humana i Evolució Social (IPHES), the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), the University of Burgos, and the ...

1 hour ago
Phys.org / Toxins from Great Salt Lake dust are absorbed by plants, soils and human bodies

Shrinking water levels at the Great Salt Lake are not just about Utah's water supply—they may pose a serious risk to public health. New research from a team at Utah State University and the University of Utah documents the ...

1 hour ago
Medical Xpress / Q&A: Why are women more likely to develop multiple sclerosis? A proteomics study provides clues

Knowing that women are diagnosed with multiple sclerosis (MS) at three times the rate of men, particularly during their 30s and 40s, scientists in the CU Anschutz lab of Kimberley Bruce, Ph.D., recently took that window of ...

1 hour ago
Medical Xpress / Common drug fails to ease knee osteoarthritis pain in largest trial yet

The University of Tasmania's Menzies Institute for Medical Research has found that the commonly prescribed medication, Diacerein, does not improve knee osteoarthritis symptoms, following a national study. Diacerein, a medication ...

1 hour ago
Phys.org / Cell membranes may store memories after electrical stimulation

The science of memories has been pursued and studied since the days of ancient Greece and Aristotle. Today, research conducted by Dima Bolmatov, assistant professor in the Department of Physics & Astronomy at Texas Tech University, ...

2 hours ago
Phys.org / Bacteria's 'two-way door' revealed: How antimicrobials cross cell membranes

Researchers at Durham have helped unlock a new understanding of how bacteria import antimicrobial peptides—the molecules that can kill or inhibit microbes. The research sheds new light on SbmA, a key transporter protein found ...

3 hours ago
Medical Xpress / A common weed killer left a hidden epigenetic footprint in early-onset colon cancer

A study led by José A. Seoane, Head of the Vall d'Hebron Institute of Oncology's (VHIO) Computational Biology Group identifies for the first time the exposome footprint—the set of environmental and lifestyle exposures—in ...

4 hours ago
Phys.org / Put a nanodiamond under intense pressure and it becomes flexible

Diamond is among the hardest naturally occurring substances on Earth, but if you shrink it down to the nanoscale, it is surprisingly elastic. And that could be useful for a host of applications such as quantum computing. ...

8 hours ago