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Science News for December 22, 2015


Cruise passengers spend less despite offers on land

A study by University of Bergen researchers found that cruise tourists spend less during port visits, regardless of shopping opportunities. In contrast, land tourists spend significantly more on Sundays and holydays. The study also revealed that repeat visitors tend to return as either land or cruise tourists, not the other way around.

SourceThe University of Bergen·JournalTourism Management·DateDec 22, 2015

Towards the rational use of medicines

Researchers assessed the impact of evidence-based principles on medicine procurement in a healthcare facility, achieving significant decreases in expenditures. The ABC/VEN-analysis method helped prioritize medicines and inform training workshops for medical professionals.

SourceKazan Federal University·JournalInternational Journal of Risk & Safety in Medicine·DateDec 22, 2015

New study indicates that metformin has the potential to prevent and treat preeclampsia

A new study published in the American Journal of Obstetrics and Gynecology found that metformin decreases the production of toxins elevated in preeclampsia and helps heal injured blood vessels. The drug is considered safe during pregnancy, offering a potential new treatment option for women with preeclampsia.

SourceElsevier Health Sciences·JournalAmerican Journal of Obstetrics and Gynecology·DateDec 22, 2015

Are you Facebook dependent?

A new study by University of Akron researchers found that people who use Facebook to meet new friends are most dependent on the platform. The study also discovered personality traits common among specific types of Facebook users, such as extroverts and those with high self-esteem.

Even before ACA, cancer survivors in non-expansion states had less health-care access

Even before the Affordable Care Act (ACA), cancer survivors in non-expansion states had limited access to healthcare. The study analyzed data from the 2012 and 2013 Behavioral Risk Factor Surveillance System and found that these survivors were less likely to have a personal doctor, receive an annual checkup, or see a doctor due to cost.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of Cancer Survivorship·DateDec 22, 2015

An Open Science plan: Wikidata for Research

The project aims to integrate research workflows with Wikidata to facilitate open science and collaboration across disciplines. Key findings include ongoing efforts to handle scholarly references through Wikidata, which can now be queried for information like city data and female mayors.

SourcePensoft Publishers·JournalResearch Ideas and Outcomes·DateDec 22, 2015

Mental time travel: An exclusively human capacity

A new theoretical model proposes that humans have an exclusively human capacity for mental time travel, composed of episodic memory and scenario construction. However, no definitive evidence supports foresightful behavior in animals, suggesting they may not possess the same level of mental time travel capabilities.

SourceRuhr-University Bochum·JournalNeuroscience & Biobehavioral Reviews·DateDec 22, 2015

Fighting rice fungus

A study published by University of Delaware plant scientists has identified a stress hormone that appears to increase the virulence of the rice blast fungus. The research may lead to new control methods for the devastating disease.

SourceUniversity of Delaware·JournalFrontiers in Plant Science·DateDec 22, 2015

Brain tumor revealed by treatment-resistant depression

A woman with treatment-resistant depression was found to have a brain tumor after symptoms persisted for six months despite antidepressant and anti-anxiety medication. The tumor, located in her left frontal lobe, was later treated successfully with emergency surgery, resulting in the disappearance of depressive symptoms.

SourceBMJ Group·JournalBMJ Case Reports·DateDec 22, 2015

Blocking fat transport linked to longevity

A new study reveals that blocking the production of a naturally occurring protein responsible for transporting fats around the body increases life span in nematodes and mice. The research suggests that this protein, VIT, hinders essential cell functions and prevents the reuse of fats for healthier purposes.

SourceBrown University·JournalAutophagy·DateDec 22, 2015

Low rate of job retention following colorectal cancer diagnosis

A study published in JAMA found that nearly half of working individuals with stage III colorectal cancer lost their jobs due to their diagnosis. However, those with access to paid sick leave were more likely to retain their jobs and experience reduced personal financial burdens. The study highlights the importance of providing paid sic...

SourceJAMA Network·JournalJAMA·DateDec 22, 2015

Mixing modern materials? NIST math app helps you manage your mashup

Scientists at NIST developed a new recipe development tool using advanced math to predict the capabilities of polymer-nanoparticle mixtures. By modeling particle shapes more realistically, they created virtual nanoparticles that can analyze real-world particles and make general statements about their behavior in mixes.

SourceNational Institute of Standards and Technology (NIST)·JournalThe Journal of Chemical Physics·DateDec 22, 2015

Screening male kidney transplant candidates for prostate cancer may do more harm than good

Researchers have found that screening male kidney transplant candidates for prostate cancer does not prolong their survival and may even delay receiving a transplant. Elevated PSA levels detected through screening were associated with a reduced likelihood of receiving a transplant regardless of the patient's age or PSA level.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateDec 22, 2015

Behavioral studies from mobile crowd-sensing

A new study published in EPJ Data Science found that exercising and spending time outside the home reduces participants' stress levels, while reduced working hours have a minimal effect. The research used data from the StudentLife project at Dartmouth College to validate this approach, which has great promise for future studies.

SourceSpringer·JournalEPJ Data Science·DateDec 22, 2015

Healthy theme park meals?

A new study by Cornell Food & Brand Lab found that nutritionally improved kid's meals at Disney World resulted in 48% of diners opting for the healthier option. The healthier alternatives reduced calories, fat, and sodium by 21.4%, 43.9%, and 43.4%, respectively.

SourceCornell Food & Brand Lab·JournalJournal of the Association for Consumer Research·DateDec 22, 2015

Study: Women can take blood thinners and hormones without higher blood clot, bleeding risk

A study published in the Journal of the American Society of Hematology found that women on blood thinners can take hormone-containing contraception or hormone replacement therapy without an increased risk of blood clots or uterine bleeding. The study analyzed data from 1,888 women and showed similar incidence rates of blood clots and a...

Low zinc levels may suggest potential breast-feeding problems

Research suggests that genetic variation in the ZnT2 protein may be common in women and associated with abnormal zinc levels in breast milk. Women with this variation may have trouble breastfeeding and their milk may contain lower than normal amounts of zinc, posing a risk to exclusively breastfed infants.

SourcePenn State·JournalJournal of Mammary Gland Biology and Neoplasia·DateDec 22, 2015