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Science News Archive March 2019 - Page 29


Page 29 of 43

Discovery upturns understanding of how some viruses multiply

Researchers have found that different segments of a virus genome can exist in distinct cells but still cause an infection, contradicting a long-held model. The study, published in eLife, used fluorescent probes to detect viral segments in individual cells and found that distinct segments are often found in different cells.

SourceeLife·DateMar 12, 2019

Breath of fresh air in vasculitis research

Researchers have identified an association between a MUC5B gene variant and systemic vasculitis, a lung disease prevalent in the Japanese population. The study found that patients with antineutrophil cytoplasmic antibody-associated vasculitis are more likely to have ILD if they carry this specific genetic variation.

SourceUniversity of Tsukuba·JournalAnnals of the Rheumatic Diseases·DateMar 12, 2019

Coal power stations disrupt rainfall: global study

A global study reveals that modern coal-fired power stations emit more ultrafine dust particles than road traffic, modifying and redistributing rainfall patterns on local to regional scales. This can lead to extreme weather events, including intense rain and dry conditions.

SourceFlinders University·JournalBulletin of the American Meteorological Society·DateMar 12, 2019

At 3,836 mph, which way does the air flow?

University at Buffalo aerospace engineer James Chen is working on a new study that aims to solve problems associated with exceeding the sound barrier. The research focuses on Austrian physicist Ludwig Boltzmann's classical kinetic theory, which uses gas molecules to explain everyday phenomena.

SourceUniversity at Buffalo·JournalJournal of Engineering Mathematics·DateMar 12, 2019

UM study suggests climate change limits forest recovery after wildfires

A University of Montana study found that climate change limits tree regeneration following wildfires in low-elevation forests, potentially leading to abrupt forest loss. The research, published in the Proceedings of the National Academy of Sciences, examined post-fire regeneration of ponderosa pine and Douglas fir trees.

SourceThe University of Montana·JournalProceedings of the National Academy of Sciences·DateMar 12, 2019

Subsidies for infection control to healthcare institutions help reduce infection levels

A dollar-for-dollar matching subsidy effectively reduces hospital-acquired infections, according to a study by CDDEP and Princeton University. The researchers found that subsidies should be given to hospitals with lower transmission rates to improve infection control for both facilities.

SourceCenter for Disease Dynamics, Economics & Policy·JournalProceedings of the National Academy of Sciences·DateMar 12, 2019

Novel potent antimicrobial from thermophilic bacterium

Researchers have discovered a novel glycocin, a small antimicrobial peptide with a sugar group attached, produced by the thermophilic bacterium Aeribacillus palladius. The compound has been successfully expressed in E. coli bacteria, making it easier to produce and investigate. This breakthrough could lead to new alternatives for biofu...

SourceUniversity of Groningen·JournalNature Communications·DateMar 12, 2019

Experiences of nature boost children's learning

A critical review of hundreds of studies reveals that time in nature improves attention, reduces stress, boosts self-discipline, and promotes physical activity and fitness. The analysis suggests that greening schoolyards and incorporating nature-based instruction can have a significant impact on children's learning and development.

Climate Change: Heat-induced heart attack risk on the rise

A study of over 27,000 heart attack patients found an increase in heat-induced heart attacks in recent years, particularly among individuals with diabetes or hyperlipidaemia. Climate change is suspected to be a contributing factor, but the exact mechanism behind these deaths remains unclear.

Copying made easy

Scientists have developed a new, inexpensive method called Cas9n-based amplification reaction that avoids thermal cycles and complicated instruments. The technique uses components from the bacterial immune system to recognize specific DNA sequences and introduce genetic scissors.

SourceWiley·JournalAngewandte Chemie International Edition·DateMar 12, 2019

The ups and downs of sit-stand desks

A recent review study found that sit-stand desks can reduce sitting time and increase comfort, but physiological effects were mixed. To fully benefit from SSDs, workplaces need to understand proper usage and setup, including desk height, monitor height, and anti-fatigue mat use.

SourceUniversity of Pittsburgh·JournalApplied Ergonomics·DateMar 12, 2019

Mowing for monarchs

Mowing grasslands in June or July can increase monarch butterfly egg laying by 3-10 times, while also reducing predators. This strategy aims to provide a food source for the butterflies' larval stage and create a more favorable environment for their survival.

SourceMichigan State University·JournalBiological Conservation·DateMar 12, 2019