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Certain bats may be approaching wind turbines after mistaking them for trees, according to a study, and that could be leading to disaster.

Propped up by government mandates and subsidies, both solar and wind energy have become more common and thus both have come under criticism. Solar panels are toxic for the environment and their efficiency drops quickly in real-world conditions while wind has been implicated in sleep issues in humans and environmental peril. 

Mathematicians have introduced a new element of uncertainty into an equation used to describe the behavior of fluids, which might make it possible to better reflect the inherent uncertainties of the natural world.

Planetary geologists have speculated for decades that glaciers might once have crept through Valles Marineris, the 2,000-mile-long chasm that constitutes the Grand Canyon of Mars.

Using satellite images, astronomers have identified features they say might have been carved by past glaciers as they flowed through the canyons but those claims have remained highly controversial and contested. 

Now, a joint team from Bryn Mawr College and the Freie Universitaet Berlin has identified what could be the first mineralogical evidence of past glaciers within the Valles Marineris: a layer of mixed sulfate minerals halfway up the three-mile-high cliffs of Ius Chasma at the western end of the canyon system.

Can hamstring injury be predicted? 

Hamstring strains account for most non-contact injuries in Australian rules football, football and rugby union, as well as track events like sprinting, and a team led by Dr. Anthony Shield, from
Queensland University of Technology,
and Dr. David Opar of Australian Catholic University, measured the eccentric hamstring strength of more than 200 AFL players from five professional clubs and may have a new metric for predicting problems.

Analysis of more than 8,000 women who participated in the world's largest study of two treatments for HER2-positive breast cancer reinforces clinical trial findings showing that trastuzumab (Herceptin) should remain the standard of care for this cancer.

Optical sensors are used all around the world to monitor the condition of difficult-to-access places like the underbellies of bridges, the exterior walls of tunnels, the feet of dams, long pipelines and railways in remote areas.