Body

Communities that stick together and do good for others cope better with crises and are happier for it, according to a new study by John Helliwell, from the University of British Columbia in Canada, and colleagues¹. Their work suggests that part of the reason for this greater resilience is the fact that humans are more than simply social beings, they are so-called 'pro-social' beings. In other words, they get happiness not just from doing things with others, but from doing things both with and for others. The paper² is published online in Springer's Journal of Happiness Studies.

U of T Breakthrough Allows Fast, Reliable Pathogen Identification

An inexpensive new material made of clay and papaya seeds removes harmful metals from water and could lower the cost of providing clean water to millions of people in the developing world, scientists are reporting. Their study on this "hybrid clay" appears in the journal ACS Sustainable Chemistry & Engineering.

A team of Spanish researchers, coordinated by the Spanish National Research Council (CSIC), has started to sequence the genome of the global deep ocean. They are using more than 2,000 samples of microorganisms collected in the Atlantic, Indian and Pacific Oceans during the Malaspina Expedition. This collection of marine microbial genomic, the first in the world on a global scale, will provide new clues about a reservoir of biodiversity yet to explore, considering that it could imply the discovery of tens of millions of new genes in the coming years.

Spit. Drool. Dribble. Saliva is not normally a topic of polite conversation, but it may be the key to explaining the age and sex bias exhibited by influenza and other diseases, according to a new study. Published in ACS' Journal of Proteome Research, it provides new insights into why older people were better able to fight off the new strains of "bird" flu and "swine" flu than younger people.

A major ingredient in those green coffee bean dietary supplements — often touted as "miracle" weight-loss products — doesn't prevent weight gain in obese laboratory mice fed a high-fat diet when given at higher doses. That's the conclusion of a first-of-its-kind study published in ACS' Journal of Agricultural and Food Chemistry. It also linked the ingredient to an unhealthy build-up of fat in the liver.

Brazilian paleontologists Taissa Rodrigues, of the Federal University of Espirito Santo, and Alexander W. A. Kellner, of the National Museum of the Federal University of Rio de Janeiro, have just presented the most extensive review yet available of toothed pterosaurs from the Cretaceous of England.

A few cups of hot cocoa may not only fight off the chill of a winter's day, but they could also help obese people better control inflammation-related diseases, such as diabetes, according to Penn State researchers.

Mice that were fed cocoa with a high-fat diet experienced less obesity-related inflammation than mice fed the same high-fat diet without the supplement, said Joshua Lambert, associate professor of food science. The mice ate the human equivalent of 10 tablespoons of cocoa powder -- about four or five cups of hot cocoa -- during a 10-week period.

Passiflora is a genus of beautiful plants commonly known as the passion flowers or passion vines. The most famous representative of this group is the passion fruit, favorite to many. Passiflora contains around 530 species with native ranges throughout the southern United States and Mexico as well as Central and South America. In addition, there are 24 species of Passiflora endemic to the Old World. In China, the native Passiflora exhibit high levels of endemism, seldomly display overlapping distributions, and are in general extremely rare.

"Pharmaceutical residues are becoming increasingly a problem for the environment. Sewage plants do not decompose these substances completely. The problem will worsen if one considers, for example, the rising proportion of elderly people in our society who actually account for the increased consumption of medicine," notes Dr. Katrin Pollmann, Team Leader Biotechnology at the HZDR. "Our color sensor method is generally suitable for detecting all kinds of substances," continues Dr. Pollmann.

The harbor porpoise (Phocoena phocoena) is a whale species that is doing quite well in coastal and busy waters. They are found in large numbers throughout the Northern Hemisphere from Mauritania to Alaska, and now researchers from the University of Southern Denmark explain why these small toothed whales are doing so well: The harbor porpoise can thank their worst enemy, the killer whale, for their success.

A novel genetic mutation was first identified in 2010 as causing hearing loss in humans. Researchers have now discovered that this mutation induces malfunction of an inhibitor of an enzyme commonly found in our body that destroys proteins. Published today in the American Journal of Pathology, this inhibitor is known scientifically as SERPINB6.

Dr Justin Tan of the University of Melbourne and lead author of the study said individuals who lack both copies of this good gene were reported to lose their hearing from 20 years of age.

Nine years after the World Health Organization adopted a global strategy on diet, physical activity, and health to address risk factors for chronic diseases such as heart disease and diabetes (referred to internationally as noncommunicable diseases), only a few low-and middle-income countries have implemented robust national policies to help prevent such diseases, according to a study by international researchers published in this week's PLOS Medicine.

ANN ARBOR, Mich. — In an age when evidence-based care is increasingly important, how trustworthy are current clinical practice guidelines?

Researchers at the University of Michigan Comprehensive Cancer Center looked at 169 cancer clinical practice guidelines for lung, breast, prostate and colorectal cancers and found that none of the guidelines fully met standards set in 2011 by the Institute of Medicine. Of eight criteria, the guidelines on average met fewer than three.

BLOOMINGTON, Ind. -- Two studies from the Indiana University School of Public Health-Bloomington highlight the negative impact workplace and financial stress can have on health behaviors. The lead author urges workplace wellness and smoking cessation programs to consider such impacts as the economy sputters along.