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Science News Archive March 2020 - Page 41


Page 41 of 41

Swamp wallabies' reproductive strategy

Researchers found that swamp wallabies ovulate and mate while still pregnant, suggesting continuous pregnancy throughout their lives. This unique reproductive strategy challenges the traditional view of marsupial reproduction and may have implications for our understanding of female fertility.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 2, 2020

APS tip sheet: Using bird song to determine bird size

Researchers analyzed recorded bird songs and found a relationship between sound frequency and body size, suggesting a biomechanics-based method for predicting bird sizes. The study also confirmed the correlation using museum specimens.

SourceAmerican Physical Society·JournalPhysical Review Letters·DateMar 2, 2020

Can light therapy help improve mood in people with concussion?

A preliminary study found that blue light therapy can decrease depression and other concussion symptoms in individuals with mild traumatic brain injury. Participants who received blue light therapy showed significant improvements in depression scores and other symptoms compared to those receiving a placebo.

SourceAmerican Academy of Neurology·DateMar 2, 2020

Sex differences in salaries of department chairs at state medical schools

A study by Eleni Linos found significant pay disparities among clinical department chairs at state medical schools, with men earning higher salaries than women. The researchers investigated 29 state medical schools across 12 states and identified key factors contributing to these differences.

SourceJAMA Network·JournalJAMA Internal Medicine·DateMar 2, 2020
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.

Repeat antibiotic prescribing linked to higher risk of hospital admissions

A study of 2 million patients found a strong association between repeat antibiotic prescriptions and increased risk of hospital admissions for new infections. The researchers suggest that overuse of antibiotics may lead to an imbalance of gut bacteria, making patients more susceptible to infections.

SourceUniversity of Manchester·JournalBMC Medicine·DateMar 1, 2020

Speak math, not code

Using Euclid's algorithm as an example, Dr. Lamport showed how a precise mathematical formula can be used to specify an algorithm, making it more efficient and easier to debug. By using math instead of code, developers can reduce the size of their programs by up to ten times and make debugging easier.

SourceSingapore Management University·DateMar 1, 2020

Scientists seize rare chance to watch faraway star system evolve

Astronomers have discovered a rare opportunity to study the evolution of a planetary system, with the DS Tuc binary system providing insights into how planets form without being heavily impacted by external forces. The findings suggest that the planet DS Tuc Ab formed through relatively calm processes.

SourceUniversity of New South Wales·DateMar 1, 2020
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Predicting intentional accounting misreporting

A new study developed by SMU Assistant Professor Richard Crowley uses machine learning to analyze topic patterns in company filings to predict intentional accounting misreporting. The researchers found that certain topics, such as revenue and income figures, were more commonly used by companies that had engaged in misreporting.

SourceSingapore Management University·JournalJournal of Accounting Research·DateMar 1, 2020