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From skeletal remains found among ancient owl pellets, a team of scientists has recovered the first ancient DNA of the extinct West Indian mammal Nesophontes, meaning "island murder." They traced its evolutionary history back to the dawn of mammals 70 million years ago.

The authors, including Selina Brace, Jessica Thomas, Ian Barnes et al., published their findings in the advanced online edition of Molecular Biology and Evolution.


DALLAS, Sept. 13, 2016 -- Smoking is associated with thicker heart walls and reduction in the heart's pumping ability, two factors associated with increased risk of heart failure, according to new research in the American Heart Association's journal Circulation: Cardiovascular Imaging.


Using software tools developed by the marketing group Near Zero, which has developed open-source software tools to examine where experts agree and disagree and why, a research group hosted by the Carnegie Institution for Science's Department of Global Ecology has completed the largest expert survey yet of wind energy. 


Daniel Drucker's unofficial laboratory slogan is "I'd rather be third and right, than first and wrong." After 30 years, he has seen high-profile journal article after article proclaim the beginning of the end for diseases he studies like diabetes, gastrointestinal disease, and obesity, only for the findings to never be discussed again.


If Canadian parents are going to get their kids to exercise more, they need more than just public awareness campaigns.

Parents exposed to one such national campaign were actually less confident they could increase their children's activity levels, according to a recent UBC study.

"With statistics outside this study showing 88 per cent of parents believe their children exercise enough and only seven per cent of kids meet recommended guidelines, it is clear more needs to be done," says Heather Gainforth, an assistant professor of health and exercise sciences at UBC's Okanagan campus. "While mass media campaigns appear to increase awareness, parents need the support of public policies and programs to help them successfully encourage behaviour change.


A new study increases and strengthens the links that have led some to propose the "transposon theory of aging" centering on the rogue elements of DNA that break free in aging cells and rewrite themselves elsewhere in the genome.

They believe this is potentially creating lifespan-shortening chaos in the genetic makeups of tissues.