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Environment Aug 5, 2024

Scientists and climate change: Extreme concern and high level of engagement

Scientists from across academic disciplines are extremely concerned about climate change. Many of them have already changed their own lifestyles or engaged in advocacy and protest, with even more being willing to do so in ...

Optics & Photonics Aug 12, 2024

Chip that entangles four photons opens up possibility of inviolable quantum encryption

Unlike classical encryption, which relies on mathematical algorithms, quantum encryption assures security based on physical principles. Detection of espionage or interference is guaranteed by unavoidable alteration of the ...

Analytical Chemistry Jul 22, 2024

Maximizing hydrogen peroxide formation during water electrolysis

Due to its high availability, water is considered the most useful starting material for hydrogen production. Ideally, the conversion of water into hydrogen produces a second useful substance: hydrogen peroxide, which is required ...

Nanomaterials Jul 31, 2024

Scientists identify new class of semiconductor nanocrystals

U.S. Naval Research Laboratory (NRL) scientists confirm the identification of a new class of semiconductor nanocrystals with bright ground-state excitons, a significant advancement in the field of optoelectronics, in an article ...

Planetary Sciences Jul 17, 2024

Astronomers spot a 'highly eccentric' planet on its way to becoming a hot Jupiter

Hot Jupiters are some of the most extreme planets in the galaxy. These scorching worlds are as massive as Jupiter, and they swing wildly close to their star, whirling around in a few days compared to our own gas giant's leisurely ...

Astronomy 16 hours ago

Astronomers identify more than one thousand new star cluster candidates

By analyzing the images obtained with the James Webb Space Telescope (JWST), an international team of astronomers has managed to identify more than 1,000 new star cluster candidates in the Cigar Galaxy. The finding was reported ...

Materials Science Jul 27, 2024

New process uses light and enzymes to create greener chemicals

Researchers at the Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) have achieved a significant breakthrough that could lead to better—and greener—agricultural chemicals and everyday products.

Earth Sciences Aug 1, 2024

Study shows link between asymmetric polar ice sheet evolution and global climate

Joint research led by Professor An Zhisheng from the Institute of Earth Environment of the Chinese Academy of Sciences has revealed the pivotal role of the growth of the Antarctic ice sheet and associated Southern Hemisphere ...

Polymers Jul 23, 2024

Room-temperature defluorination method uses light to clean up forever chemicals

Perfluoroalkyl substances (PFAS), nicknamed "forever chemicals," pose a growing environmental and health threat. Since the invention of Teflon in 1938, PFAS and perfluorinated polymers or PFs have been widely used for their ...

Planetary Sciences Jul 26, 2024

Kepler's 1607 pioneering sunspot sketches solve solar mysteries 400 years later

Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously-hidden information about the solar cycles before the grand solar minimum.

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