For polar bears, it's survival of the fattest

One of the most southerly populations of polar bears in the world – and the best studied – is struggling to cope with climate-induced changes to sea ice, new research reveals. Based on over 10 years' data the study, published ...

US orders its nuclear sites to upgrade vents (Update)

U.S. nuclear power plants must upgrade ventilation systems at 31 reactors with designs similar to those that melted down two years ago in Japan, under a Nuclear Regulatory Commission order that stops short of requiring filtered ...

Researchers' new method may sharpen microscopic images

(Phys.org) —UT Dallas researchers are developing a new low-light imaging method that could improve a number of scientific applications, including the microscopic imaging of single molecules in cancer research.

GoPro camera rig creates awesome-dude effects

(Phys.org) —What happens when you construct an array of GoPro cameras is the question that is answered in a YouTube posting that is hard to see just once. Permagrin Films' Marc Donahue used 15 GoPro cameras to shoot a video ...

Black hole-star pair orbiting at dizzying speed (w/ video)

(Phys.org) —ESA's XMM-Newton space telescope has helped to identify a star and a black hole that orbit each other at the dizzying rate of once every 2.4 hours, smashing the previous record by nearly an hour.

Practice makes perfect with Webb telescope mirror placement

(Phys.org) —NASA engineers and scientists have been making practice runs to ensure the placement of primary mirror segments on the James Webb Space Telescope go perfectly when the flight equipment is ready. NASA issued ...

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