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Latest and Breaking Biology News

ActiveGuard mattress liners reduce bed bugs' ability to lay eggs, study finds
(Entomological Society of America) Ohio State University entomologists have found that bed bugs exposed to permethrin-impregnated ActiveGuard Mattress Liners are significantly less likely to take bloodmeals and to lay eggs -- even in pyrethroid-resistant populations.

Discovering missing body parts of ancient fossils
(University of California - Riverside) Certain specimens of the fossil Dickinsonia are incomplete because ancient currents lifted them from the sea floor, a team of researchers led by paleontologists at the University of California, Riverside has found. Sand then got deposited beneath the lifted portion, the researchers report, strongly suggesting that Dickinsonia was mobile, easily separated from the sea floor and not attached to the substrate on which it lived.

First use of new ablation catheter in US offers improved atrial fibrillation treatment
(Minneapolis Heart Institute Foundation) Dr. Daniel Melby, an investigator at the Minneapolis Heart Institute Foundation, performed the first atrial fibrillation ablation in the US using Biosense Webster's new THERMOCOOL SMARTTOUCH SF contact force sensing catheter as part of an FDA regulated safety trial. 'Contact force sensing combined with the more efficient irrigation design of this catheter may allow for a more effective ablation pattern while potentially reducing risk of thrombus formation and improving outcomes,' said Dr. Melby

How does fertility affect women's desire for variety in products?
(University of Chicago Press Journals) Women seek a greater variety of products and services when they are ovulating, according to a new study in the Journal of Consumer Research.

What's the difference between sugar and high-fructose corn syrup? (video)
(American Chemical Society) It seems like it's in just about every product on grocery store shelves: high-fructose corn syrup. What is it, and how is it different from regular old sugar? And how did it become such a popular but controversial ingredient? Reactions is here to answer those sweet questions.

Lizard activity levels can help scientists predict environmental change
(University of Missouri-Columbia) As average global temperatures rise, animals dependent on external sources to raise their body temperature may spend more time in the shade and less time eating and reproducing. Now, a study of the crested anole shows that lizards are active over a broader range of temperatures than scientists previously thought -- but when temperatures are either too hot or too cold, critical activity levels slow, limiting the abilities of species to cope with climate variability.

Methane monitoring method reveals high levels in Pennsylvania stream
(Penn State) A new stream-based monitoring system recently discovered high levels of methane in a Pennsylvania stream near the site of a reported Marcellus shale gas well leak, according to researchers at Penn State and the US Geological Survey. The system could be a valuable screening tool to assess the environmental impact of extracting natural gas using fracking.

Energy balance experts from six continents join forces to reduce obesity
(FoodMinds LLC) Introducing GEBN, the first organization to use the energy balance model as a framework for thinking about changing current systems and policies to improve health. GEBN is a network of scientists from North America, Latin America and the Caribbean, Europe, Africa, Asia and Oceania. Formed in Dec. 2014, it has garnered support from nearly 150 scholars, practitioners and other experts in 18 countries.

Protein may improve liver regeneration
(University of California - Davis Health System) Researchers at UC Davis have illuminated an important distinction between mice and humans: how human livers heal. The difference centers on a protein called PPARα, which activates liver regeneration.

Skin tough
(DOE/Lawrence Berkeley National Laboratory) A collaboration of Berkeley Lab and UC San Diego researchers has recorded the first direct observations of the micro-scale mechanisms behind the ability of skin to resist tearing. The results could be applied to the improvement of artificial skin, or to the development of thin film polymers for flexible electronics.

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