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Nanomaterials Jul 8, 2024

Flexible nanoimprint lithography enables efficient fabrication of biomimetic microstructures

Gallium nitride (GaN)-based light-emitting diodes (LEDs) have transformed the lighting industry by replacing conventional lighting technologies with superior energy efficiency, longer operating life and greater environmental ...

Cell & Microbiology Jul 8, 2024

Bacterial glitter: New findings open up possibilities for sustainable color technologies

An international team of researchers of the Cluster of Excellence "Balance of the Microverse" at the University of Jena has investigated the mechanism that makes some types of bacteria reflect light without using pigments. ...

Optics & Photonics Jul 8, 2024

Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%

Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color ...

Optics & Photonics Jul 8, 2024

Novel time-of-flight-resolved stimulated Raman scattering microscopy enables high-resolution bioimaging

Stimulated Raman scattering (SRS) microscopy is an optical vibrational spectroscopic imaging technique and has emerged as an appealing label-free imaging tool for tissue and cell imaging and characterization with high biochemical ...

Plants & Animals Jul 8, 2024

Color of mother hen impacts chick learning efficiency, study shows

In a study published in iScience, researchers at Queen Mary University of London have taken major steps in better understanding some key questions about learning and intelligence. Led by Dr. Elisabetta Versace, the team used ...

Ecology Jul 8, 2024

To boost ocean research, some scientists are turning to superyachts

For almost two years, Robert Brewin collected data from the bow of a superyacht as it sailed pristine waters from the Caribbean Sea to the Antarctic Ocean.

Cell & Microbiology Jul 8, 2024

Microscopic vehicles propelled by swimming green algae could assist biological and environmental research

Researchers have created tiny, vehiclelike structures that can be maneuvered by microscopic algae. The algae are caught in baskets attached to the micromachines, which have been carefully designed to allow them enough room ...

Space Exploration Jul 8, 2024

NASA astronauts spend unexpected July 4 on the International Space Station

Astronauts Suni Williams and Butch Wilmore spent an unexpected Fourth of July aboard the International Space Station—but it was hardly a patriotic display of engineering prowess.

Environment Jul 8, 2024

Detroit's air quality 'very unhealthy' following Fourth of July fireworks

Detroit's air quality ranked among the worst in the U.S. on Friday morning following the Fourth of July holiday fireworks use, posing "very unhealthy" conditions for children, seniors and people with certain health conditions ...

Environment Jul 6, 2024

California fires spread in July 4 weekend heat wave

California firefighters battled multiple blazes in record heat Friday, with a new fire breaking out near the famous Yosemite National Park even as a larger inferno further north came under control.

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