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Phys.org / DNA floating in seawater is now enough to let scientists monitor the health of America's dolphin populations

DNA is everywhere in the world's oceans—not only packaged inside cells from skin, scales, mucus, feces, and blood, but also floating freely. Sequencing such "environmental DNA" (eDNA) from open water has long been used as ...

May 19, 2026
Medical Xpress / Spatial transcriptomics guides inflammatory bowel disease research

A novel spatial transcriptomics atlas developed by Northwestern Medicine scientists may improve the understanding of niche cellular interactions in the gastrointestinal tract that promote the development of inflammatory bowel ...

May 20, 2026
Phys.org / Image: NASA's Psyche mission captures Mars' Huygens Crater

Captured by the multispectral imager instrument on NASA's Psyche mission, this is an enhanced-color view of the large double-ring crater Huygens (upper right; about 290 miles, or 470 kilometers, in diameter) and the surrounding ...

May 20, 2026
Phys.org / How you map numbers in your mind isn't universal, even among people who read in the same language

Imagine taking out a 12-inch ruler and finding that the number 12 is on the left side and the number 1 is on the right side. For most native English speakers, this would be disorienting. We are used to seeing the numbers ...

May 20, 2026
Medical Xpress / A 'bet-hedging' strategy that helps gut bacteria survive and recover

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have discovered that many gut bacteria use a flexible survival strategy to withstand disruptions such as antibiotics and diet changes.

May 19, 2026
Medical Xpress / Nearly 60% of college students with a psychosis diagnosis are not receiving the recommended mental health treatment

Despite a low overall prevalence of psychosis in the United States, affecting three percent of the population, this condition is a serious public health concern because people often delay seeking care for an average of 74 ...

May 20, 2026
Tech Xplore / Alibaba unveils new AI chip as Nvidia access remains stalled

Tech giant Alibaba released on Wednesday a new artificial intelligence chip it said performed three times as well as its predecessor, showcasing growing domestic chipmaker prowess as US titan Nvidia struggles for access to ...

May 20, 2026
Phys.org / Ancient burial practices emerge from Laos' mysterious Plain of Jars

Hundreds of stone jars, some weighing several tons, are scattered across the remote uplands of northern Laos. Despite being researched for nearly a century, their purpose remains uncertain. "Archaeologists generally agree ...

May 18, 2026
Medical Xpress / China's cleaner air cuts PM2.5, but dementia deaths still rise with aging

In a recent study from Peking University Health Science Center, doctoral student Kang Ning and colleagues found that air pollution reductions alone cannot offset the impact of rapid population aging on dementia deaths in ...

May 20, 2026
Phys.org / Showing empathy can make you more attractive, even when you frown

People who smile empathically at someone's happiness or frown at their suffering become more attractive. Conversely, smiling out of schadenfreude does not make someone any less attractive. Roujia Feng will defend her Ph.D. ...

May 20, 2026
Phys.org / Prototype sets record for optical quantum information technology

Chinese scientists have developed a programmable quantum computing prototype called Jiuzhang 4.0 that has set a new world record for optical quantum information technology, according to a study published May 13 in the journal ...

May 18, 2026
Phys.org / Image: NASA's Psyche mission images the crescent of Mars

This view of a crescent Mars was captured on May 15, 2026, at about 5:03 a.m. PDT by NASA's Psyche mission as it approached the planet for a gravity assist. Captured by the spacecraft's multispectral imager instrument, this ...

May 20, 2026