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Optics & Photonics Jun 4, 2026

Photoexcitation flips 2D moiré devices from metals to insulators in ultrafast test

Quantum materials, materials with properties that are governed by the laws of quantum mechanics describing many-body interactions, have proved promising for the development of various advanced technologies. Many of these ...

Plants & Animals Jun 3, 2026

Thundering footsteps warn caterpillars of lethal ladybeetle attacks

Diminutive warty birch caterpillars (Falcaria bilineata), less than 1.5mm long, ardently defend their leaf tip homes from invading caterpillars by scraping and pounding the leaf to warn off potential invaders. But how might ...

Soft Matter Jun 3, 2026

Temperature gaps help sneeze clouds stay denser and travel farther, experiments show

When a person coughs or sneezes, they expel a cloud of microscopic particles capable of carrying viruses and bacteria that act as vectors for respiratory diseases such as flu, COVID-19 or tuberculosis. Understanding how these ...

General Physics Jun 3, 2026

Portable UV spectrometer can detect air pollutants across 2.5 km with high precision

Birgitta Schultze-Bernhardt and her team at the Institute of Experimental Physics at Graz University of Technology (TU Graz) have developed a new type of UV dual-comb spectrometer that detects gaseous air pollutants with ...

Planetary Sciences Jun 3, 2026

Studying impact flashes to detect missile and meteorite composition

Southwest Research Institute, or SwRI, is studying impact flashes generated by high-speed collisions. One application of understanding impact flashes is to remotely identify what materials are involved in the collisions. ...

Optics & Photonics Jun 3, 2026

Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks

Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light power applications from precision micromachining to eye surgery to optical frequency combs, the Nobel ...

Polymers Jun 3, 2026

Common plastics soak up ballistic impacts thanks to a cross-linking molecule

With help from a novel cross-linking molecule, MIT chemists have shown they can substantially improve the ballistic impact resistance of common polymers, including polystyrene and a type of rubber used to make shoe soles.

Biotechnology Jun 2, 2026

Laser beam builds cell-like protein networks without chemical modification

Networks of protein fibers play important roles in living cells. To understand the dynamical behavior of these networks, model networks are needed to perform in vitro studies. However, fabrication of protein networks similar ...

Planetary Sciences Jun 2, 2026

Kamo'oalewa asteroid's lunar origin challenged ahead of Tianwen-2 arrival

China's Tianwen-2 sample-return mission is well on its way to its target, an asteroid called Kamo'oalewa. The spacecraft left Earth in May 2025 and should return in late 2027 with samples of a space rock that scientists had ...

Archaeology Jun 2, 2026

Britain's oldest cave art may have been rediscovered in Bacon Hole cave

The oldest cave art in Britain may have been discovered, or more likely rediscovered, in a cave on the Gower Peninsula in South Wales, possibly dating back around 17,000 years.

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