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Science News Archive October 2020 - Page 33


Page 33 of 47

MHz, multi-beams coherent XUV source by intracavity high-order harmonic generation

Researchers have created a novel ultrafast coherent light source in the extreme ultraviolet wavelength region with multi-MHz range repetition rates. The system utilizes intracavity high-order harmonic generation and achieves a repetition rate of 3 MHz, suitable for applications such as ultrafast XUV spectroscopy.

New therapy improves treatment for multiple sclerosis

Researchers at the University of Chicago have designed a new therapy for multiple sclerosis by fusing a cytokine to a blood protein. This combination prevented destructive immune cells from infiltrating the central nervous system and decreased MS development, leading to fewer symptoms and disease prevention.

SourceUniversity of Chicago·JournalNature Biomedical Engineering·DateOct 12, 2020

Getting the full scope

Researchers aim to understand how electrical stimulation affects glia and vasculature in the brain, with potential implications for treating neurological diseases. They'll use two-photon microscopy and optogenetics to investigate inner workings of the brain.

Unique view into the "new Arctic": international MOSAiC expedition successfully completed

Researchers from TROPOS and Leipzig University contribute to the success of the largest Arctic expedition, collecting valuable climate data and conducting key atmospheric measurements. The team's findings suggest significant changes in the Arctic atmosphere, including increased smoke levels and signs of 'Pyrocene' effects.

SourceLeibniz Institute for Tropospheric Research (TROPOS)·JournalAtmospheric Measurement Techniques·DateOct 12, 2020

Liquid metals come to the rescue of semiconductors

Scientists at UNSW have created a method to produce high-quality two-dimensional MoS2 semiconductors without grain boundaries. By using gallium metal in its liquid state, researchers were able to form the desired MoS2 material on an atomically smooth surface, paving the way for ultra-low energy electronics with fast switching speeds.

New research on SARS-CoV-2 virus 'survivability'

New research reveals SARS-CoV-2 can survive on surfaces for up to 28 days, with longer survival times found on smooth surfaces like glass and stainless steel. The study suggests establishing surface survivability is critical for developing risk mitigation strategies in high contact areas.

SourceCSIRO Australia·JournalVirology Journal·DateOct 11, 2020

In the eye of a stellar cyclone

Apep, the newest star to join an elite club of elegant binary pairs, has been found to break all rules. Its dust spiral is expanding four times slower than the measured stellar winds, a phenomenon unheard of in other systems. This discovery makes Apep a strong contender for producing a gamma-ray burst when it does finally explode.

SourceUniversity of Sydney·JournalMonthly Notices of the Royal Astronomical Society·DateOct 11, 2020

Meltwater lakes are accelerating glacier ice loss

A new study reveals that meltwater lakes at glacier margins cause ice to recede much further and faster than glaciers terminating on land. This finding has significant implications for estimates of recession rates and ice mass loss, potentially leading to under-estimates in the coming decades.

SourceUniversity of Leeds·JournalGeophysical Research Letters·DateOct 9, 2020