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Researchers have built microscopic, light-driven robots that can rapidly navigate through liquid, collect bacteria, and deposit them in chosen locations. These tiny "cleaners" could open new possibilities for manipulating cells and microbes with ...

A magnetar's colossal magnetic field may have revealed a quantum effect predicted by Werner Heisenberg nearly 90 years ago, in which seemingly empty space alters the behavior of light. If confirmed, the discovery could offer the first direct evidence ...

Einstein's abandoned cosmological constant made a spectacular comeback when astronomers discovered that the universe's expansion is accelerating. It now sits at the heart of our best cosmological model--a model that works extraordinarily well, yet .. ...

Astronomers may finally have a clue to what happens to the mysterious "little red dots" that crowded the early universe. By studying a spiral galaxy nicknamed the "Saguaro," researchers found a compact, bright red center that closely resembles these ...

Caltech scientists have created ultra-low-loss optical pathways on silicon chips that approach the efficiency of fiber optics and dramatically outperform existing technology at visible wavelengths. The breakthrough could unlock more powerful lasers, ...

Researchers combined synthetic DNA with a semiconductor to create an ultra-low-power memory device capable of storing and processing information in the same place. The bio-hybrid technology could eventually help make AI systems and next-generation .. ...

An eight-year Finnish study found that children who spent more time on screens tended to show better cognitive processing as teenagers, challenging common assumptions about screen use. Researchers say the key may be balancing physical activity with . ...

Scientists have discovered that tiny, sharply curved wrinkles in graphene can dramatically alter its electrical behavior, creating surprisingly strong charge separation. The finding suggests future electronics could be tuned by reshaping materials at ...

Physicists may have uncovered a hidden feature inside protons that helps preserve one of matter's most fundamental properties. RHIC collision data suggest baryon number is carried not simply by three quarks, but by a Y-shaped junction of the gluons . ...

Astronomers have witnessed a black hole violently shredding a massive star, creating one of the most energetic stellar explosions ever observed. The event, nicknamed "the Whippet," briefly released about 400 billion times the Sun's energy and sent a ...