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Phys.org / CRISPR-Cas coordinates a layered bacterial defense network in innate immunity

All cellular life—from humans to bacteria—possesses two layers of immunity: innate and adaptive. Scientists have long understood how these two types of immunity work together in higher organisms but not in the microbial world.

Jul 22, 2026
Medical Xpress / AI and sleep analysis could facilitate early diagnosis of Alzheimer's

Researchers from Universidad Carlos III de Madrid (UC3M) and Hospital Universitario Severo Ochoa in Leganés, part of the public health network of the Comunidad de Madrid, have developed a methodology that uses artificial ...

Jul 22, 2026
Phys.org / One idea, two cosmic mysteries—linking Little Red Dots and globular clusters

A new study led by astronomers at The University of Texas at Austin proposes a theory that could solve two astronomical riddles at once: the nature of Little Red Dots and the origin of globular clusters. Rather than representing ...

Jul 20, 2026
Tech Xplore / Deep-sea sponge geometry strengthens metamaterials and suppresses flow-driven vibrations

Along the vast ocean floor lives a species of glass sponge known as Venus' flower basket. Though delicate-looking, its exterior belies an exceptionally strong, lightweight skeleton that has intrigued scientists for the past ...

Jul 21, 2026
Phys.org / New 'demon' cavefish lineage discovered in Alabama cave

For decades, scientists have crawled through Bobcat Cave on Redstone Arsenal in Huntsville, searching its dark pools and underground passages for rare life. The cave is home to the endangered Alabama cave shrimp, making it ...

Jul 21, 2026
Phys.org / Extreme precipitation in Central Asia connected to drought in mainland Southeast Asia

In much of Asia, the effects of climate change are felt through an increased frequency of extreme weather events, especially water-related ones. Droughts are becoming more common in mainland Southeast Asia, while periods ...

Jul 21, 2026
Medical Xpress / Microneedles may help light reach hard-to-treat skin cancers

Photodynamic therapy (PDT) uses a light-sensitive drug and a specific wavelength of light to destroy cancer cells. The treatment has become an important option for certain skin cancers because it can target diseased tissue ...

Jul 21, 2026
Phys.org / Record fires killed nearly 1 in 5 mature giant sequoias, but controlled burns can boost survival

A new study found that giant sequoias were nearly four times as likely to survive extreme wildfires in forests managed with prescribed burns, which decrease tree mortality. The work is published in the journal Nature Communications.

Jul 21, 2026
Phys.org / Archaeological dig reveals full extent of Roman villa with intricate mosaic and bath house

Archaeologists have uncovered a rare and intricate polychrome mosaic within the remains of a Roman villa beneath Devon farmland. Made up of thousands of red, white and dark blue-gray cubes, the 12 m2 (129 square feet) mosaic ...

Jul 20, 2026
Medical Xpress / 'Cellular behavioromics' reveals how immune cells swarm during sepsis

Despite the best efforts of intensive care unit (ICU) staff and physicians and the most advanced life support, Dr. Bryan Yipp, witnesses many deaths in the ICU attributed to sepsis. "Sepsis is the body's overwhelming immune ...

Jul 21, 2026
Phys.org / Sleeping sickness parasite reveals enzyme weak spot that could guide safer drugs

African sleeping sickness and related diseases can be treated only with toxic and sometimes ineffective drugs. Now, University of Connecticut researchers show in Nucleic Acids Research that a crucial enzyme could be the key ...

Jul 21, 2026
Phys.org / Molecular model for semiconductor surfaces developed

Semiconductor surfaces can generally be studied only with considerable experimental effort, for example, in an ultrahigh vacuum. To more easily gain new insights into their properties and the possibilities for targeted modification, ...

Jul 22, 2026