Culture

UK supermarket price promotions are more likely to lead to an increase in sales of less healthy foods than healthier choices in supermarkets, according to a study published today. However, the study of almost 27,000 UK households found that supermarkets were no more likely to promote less healthy over healthier foods.

Teachers experience some of the highest levels of job-related stress, and such stress may leave them more vulnerable to depression. How do elementary school teachers' symptoms of depression affect the quality of the classroom environment and students' learning? A new study has found that teachers who reported more symptoms of depression than their fellow teachers had classrooms that were of lesser quality across many areas, and students in these classrooms had lower performance gains, particularly in math.

Unemployment can drive people to suicide. Numerous studies have demonstrated that there is a relationship between unemployment and poor health and that (the threat of) losing a job and prolonged unemployment can constitute a serious situation for those affected as well as their relatives.

Standard cleaning procedures in retail delis may not eradicate Listeria monocytogenes bacteria, which can cause a potentially fatal disease in people with vulnerable immune systems.

A study led by Haley Oliver, assistant professor of food science, found that 6.8 percent of samples taken in 15 delis before daily operation had begun tested positive for L. monocytogenes (mah-noh-sy-TAH'-gin-eez).

More than ever, we need problem-solving skills to be able to adapt to our fast changing economies and societies. Researchers at the University of Luxembourg believe it is possible to teach these skills which are widely known as "intelligence".

The master craftsmanship behind Indian swords was highlighted when scientists and conservationists from Italy and the UK joined forces to study a curved single-edged sword called a shamsheer. The study, led by Eliza Barzagli of the Institute for Complex Systems and the University of Florence in Italy, is published in Springer's journal Applied Physics A - Materials Science & Processing.

Surgeons and transplant centers nationwide increasingly have rejected hearts donated for transplantation despite a growing need for them, according to a new study which also found that the rejection of "marginal" donor hearts - those with undesirable qualities, such as being small or coming from an older donor - varied significantly across geographical regions.

In other words, some hearts rejected in one region would be accepted in another.

National dietary advice on fat consumption issued to millions of US and UK citizens in 1977 and 1983, to cut coronary heart disease incidence, lacked any solid trial evidence to back it up, and "should not have been introduced," concludes research published in the online journal Open Heart.

Both sets of dietary guidelines recommended reducing overall dietary fat consumption to 30% of total energy intake, and specifically, saturated fat to 10% of total energy intake. Both acknowledged that the evidence was not conclusive.

A little advice on shopping for your valentine: When aiming Cupid's bow, you don't need a perfect bull's eye to score points with your sweetheart.

Just get that arrow somewhere on the target.

Research on gift giving from the University of Cincinnati shows that thoughtful lovers' burning desire to show off just how well they know their partner could get them burnt. So instead, think romantically, but shop for versatility.

Many people buy and wear clothing from prestigious brands as a way to express and distinguish themselves. However, a new study from the University of Missouri has found that people who are more sensitive to how others perceive them are actually more likely to avoid clothing with large logos, even if the clothing is from a prestigious brand. Eunjin Kim, a doctoral candidate in the MU School of Journalism, says it is important for companies to understand this brand avoidance behavior when marketing their products to consumers.

Personal information taken from social media, blogs, page views and so on are used to detect disease outbreaks, however, does this violate our privacy, consent and trust?

Dr. Effy Vayena from the University of Zurich and colleagues map the numerous ethical challenges confronting digital disease detection (DDD) and propose a framework to address the questions.

Despite claims by each side that they have some special reverence for science and reason, both liberals and conservatives can be biased against science that doesn't align with their political views.

A new study found that people from both the left and right expressed less trust in science when they were presented with facts that challenged specific politicized issues.

For conservatives, climate change and evolution were the issues that led them to lose some trust in science. For liberals, it was hydraulic fracturing (fracking) and nuclear power.

A barrier to increased human papillomavirus (HPV) vaccination has been the concern that it may promote unsafe sexual activity, but a new study of adolescent girls finds that HPV vaccination was not associated with increases in sexually transmitted infections (STIs).