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Science News for June 27, 2021


Multi-material multi-photon 3D laser micro- and nanoprinting

Researchers reviewed approaches to multi-material multi-photon micro/nano-printing, enabling targeted structures with diverse material properties. Automated systems are rapidly developing for combining multiple primary materials within a single machine tool.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateJun 27, 2021
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

USTC realizes the first on-chip valley-dependent quantum interference

Researchers from USTC realized the first on-chip valley-dependent quantum interference in silicon photonic crystals using harpoon-shaped beam splitters. The study demonstrates a novel method for topological photonics and its potential applications in complex quantum information processing.

SourceUniversity of Science and Technology of China·JournalPhysical Review Letters·DateJun 27, 2021

Coral enhance its environmental adaptability by adjusting trophic status

A recent study found that coral reefs in the South China Sea adjust their trophic patterns in response to environmental conditions. By analyzing zooxanthellae density, nutrient levels, and light intensity, researchers discovered that corals can shift from autotrophic to heterotrophic modes of nutrition, enhancing their adaptability to ...

SourceScience China Press·DateJun 27, 2021

Saturated fatty acid levels increase when making memories

Research reveals that saturated fatty acids play a key role in forming memories, particularly in the amygdala region of the brain. The study found that levels of myristic acid, found in coconut oil and butter, increased significantly as new memories were formed.

SourceUniversity of Queensland·JournalNature Communications·DateJun 27, 2021

Attomolar sensing: Fabrication of surface-enhanced raman scattering substrate

Researchers developed sensitive SERS substrates via femtosecond laser processing for real-time sensing in biomedicine and microfluidic chips. Attomolar detection capabilities were achieved through synergistic enhancement effects, opening up new avenues for monitoring and sensing applications.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateJun 27, 2021

Has the stilling of the surface wind speed ended in China?

A recent study found that China's annual mean surface wind speed stopped weakening around 2014 and started strengthening, but stilling persists in certain regions. The reversal was driven by regional and seasonal variations.

SourceScience China Press·JournalScience China Earth Sciences·DateJun 27, 2021
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

70th Lindau Nobel Laureate Meeting opened

The 70th Lindau Nobel Laureate Meeting has opened with a record number of participants, featuring discussions on topical issues such as future pandemics, gene editing, and climate change. The meeting aims to foster dialogue among scientists from around the world and promote sustainable scientific conduct.

SourceLindau Nobel Laureate Meetings·DateJun 27, 2021

A novel method for controlling the microstructure and performance of 3D printed human implants

Researchers propose a triple-cycle heat treatment system to improve the microstructure and performance of 3D printed titanium-molybdenum alloy human implants, achieving better biocompatibility and mechanical properties matching human bones. This method enables more widespread use of 3D printed implants in the biomedical field.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateJun 27, 2021

Males help keep populations genetically healthy

A new study from Uppsala University reveals that males play a crucial role in maintaining genetic health by eliminating harmful mutations. The research found that selective pressure on males leads to the purging of deleterious mutations, resulting in healthier genes and increased reproductive capacity.

SourceUppsala University·JournalEvolution Letters·DateJun 27, 2021

Researchers perform metabolomic profiling of individual enlarged lysosomes

The research team established a single lysosome mass spectrometry platform to analyze the metabolic heterogeneity of various lysosome types in cell aging. They found that each type of lysosomal subset exhibited distinct metabonomics changes, indicating lysosome type specificity in cellular aging.

SourceUniversity of Science and Technology of China·JournalNature Methods·DateJun 27, 2021

AI learns to predict human behavior from videos

Researchers at Columbia University School of Engineering and Applied Science have developed a computer vision technique that enables machines to predict human behavior with higher accuracy. The algorithm leverages higher-level associations between people, animals, and objects to make more intuitive predictions about future actions, ope...

SourceColumbia University School of Engineering and Applied Science·DateJun 27, 2021
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Study reveals over a £1 million in payments from pharma companies to APPGs

A new study reveals that 16 out of 146 health-related APPGs in the UK received over £1 million in payments from pharmaceutical companies between 2012-2018. The researchers argue that a lack of transparency highlights potential conflicts of interests towards public policy, despite no evidence of wrongdoing.

SourceUniversity of Bath·JournalPLOS ONE·DateJun 27, 2021