Women who commit suicide are more likely than men to avoid facial disfiguration, but not necessarily in the name of vanity. Valerie Callanan from the University of Akron and Mark Davis from the Criminal Justice Research Center at the Ohio State University, USA, show that there are marked gender differences in the use of suicide methods that disfigure the face or head. While firearms are the preferred method for both men and women, women are less likely to shoot themselves in the head.
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Poor Body Size Judgement Can Lead to Increased Tolerance of Obesity
Size is relative, especially to people who tend to be on the heavy side. Researchers at the Columbia University Medical Center in the US found that seven in every ten obese adults underestimate how much someone weighs. People of normal weight make this mistake much less often. Mothers of overweight or obese children also tend to misjudge their children's size, as youngsters misjudge their obese mothers' size, says lead author Tracy Paul, now at Weill-Cornell Medical College, in a study¹ in the Journal
Scientists Take a Look at the Feel-good Benefits of Belly Dance
Belly dancers have fewer hang-ups about their bodies. Most women who participate in this torso-driven dance do so because it is fun and they get to perform interesting moves – not because they necessarily feel sexier while doing so. This is the conclusion of Marika Tiggemann of Flinders University in Australia, leader of a study in Springer's journal Sex Roles about the body image of people who belly dance in their free time.
Nano-pea Pod Model Widens Electronics Applications
New York | Heidelberg, 4 September 2014 -- Periodic chain-like nanostructures are widely used in nanoelectronics. Typically, chain elements include the likes of quantum rings, quantum dots, or quantum graphs. Such a structure enables electrons to move along the chain, in theory, indefinitely. The trouble is that some applications require localised electrons—these are no longer in a continuous energy spectrum but in a discrete energy spectrum, instead. Now, a new study by Russian scientists identifies ways of disturbing the periodicity of a model
Enjoying the Possibility of Defeat
Winning isn't everything, and in fact can even be a bit boring. Some people actually enjoy a game of tennis or poker more if their mettle is tested by a strong opponent – regardless of the outcome. It's the suspense and uncertainty of a close game that often brings them back for more, says a research team led by Sami Abuhamdeh of Istanbul Şehir University, in Springer's journal Motivation and Emotion.
Migrating Birds Sprint in Spring, but Take Things Easy in Autumn
Passerine birds, also known as perching birds, that migrate by night tend to fly faster in spring than they do in autumn to reach their destinations. This seasonal difference in flight speed is especially noticeable among birds that only make short migratory flights, says researcher Cecilia Nilsson of Lund University in Sweden, in Springer's journal Behavioral Ecology and Sociobiology.