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Science News Archive March 2019 - Page 30


Page 30 of 43

Faster robots demoralize co-workers

A study by Cornell University found that when robots excel in competitions, people perceive themselves as less capable and less likable. The research suggests optimizing teams of humans and robots to minimize negative effects on human behavior and reactions.

Are eyes the window to our mistakes?

Scientists investigate how humans make mistakes and find that pupil dilation is linked to the brain's level of norepinephrine. Four sources of suboptimal decision-making are identified, including unequal weighing of evidence and noise in the brain.

SourceUniversity of Arizona·JournalNature Human Behaviour·DateMar 11, 2019

Researchers say education a major barrier to following heart healthy diet

A study published in The Journal of the American Osteopathic Association found that people with a college education are nearly seven times more likely to adhere to a Mediterranean Diet than those with only a high school education. Women and individuals familiar with the diet also showed higher rates of adherence.

SourceAmerican Osteopathic Association·JournalThe Journal of the American Osteopathic Association·DateMar 11, 2019

Mindfulness found to improve mental health of students

A study at the University of Bristol found that mindfulness training improved mental health and wellbeing in medical students, reducing anxiety and stress. Students reported enhanced empathy, communication skills, and coping techniques, leading to better emotional wellbeing and professional development.

SourceUniversity of Bristol·JournalEducation Research International·DateMar 11, 2019

Daylight savings sees 'sleepy consumers' with a wider variety in their shopping carts

A recent study from the UBC Sauder School of Business found that sleepier consumers tend to buy more diverse types of products to help them stay awake. The study reveals that even after controlling for other factors, sleep-deprived individuals exhibit a greater desire for variety in their shopping choices.

SourceUniversity of British Columbia - Sauder School of Business·JournalJournal of Marketing Research·DateMar 11, 2019

Cutting the standard dose of medication for acute mountain sickness in half does not reduce its effectiveness

A new study published in Wilderness & Environmental Medicine found that a lower dose of acetazolamide (62.5 mg twice daily) was as effective in preventing acute mountain sickness symptoms as the standard prophylactic dose (125 mg twice daily). However, this reduced dose showed similar side effects with both doses.

SourceElsevier·JournalWilderness and Environmental Medicine·DateMar 11, 2019

For infection-fighting cells, a guideline for expanding the troops

A team from Princeton University used mathematical modeling to explore the relationship between T cell expansion and infectious agent levels. They found that the starting amount of infectious agent and affinity for the cells are key factors in determining the expansion rate. The study suggests a simple underlying mechanism governing th...

SourcePrinceton University·JournalProceedings of the National Academy of Sciences·DateMar 11, 2019

Brain stimulation improves depression symptoms, restores brain waves in clinical study

A clinical study led by Flavio Frohlich at UNC School of Medicine successfully reduced depression symptoms in about 70 percent of participants using transcranial alternating current stimulation (tACS). The treatment target specific alpha oscillations in the brain, bringing them back into balance and decreasing symptoms.

SourceUniversity of North Carolina Health Care·JournalTranslational Psychiatry·DateMar 11, 2019

Researchers turn liquid metal into a plasma

Scientists at the University of Rochester's LLE have successfully turned a liquid metal into a plasma, exhibiting classical properties at high temperatures. This discovery has implications for better understanding stars and planets, as well as realizing controlled nuclear fusion, a promising alternative energy source.

SourceUniversity of Rochester·JournalPhysical Review Letters·DateMar 11, 2019