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Submission + - Bioluminescent Bacteria Used to Combat Pollution (nytimes.com)

An anonymous reader writes: Many animals use bioluminescence to find food, attract mates, and defend against predators. Now a marine biologist is harnessing bioluminescent bacteria to save one of Florida'(TM)s most precious and threatened ecosystems — theIndian River Lagoon. By mixing bioluminescent bacteria with sediment from the 156-mile estuary, renowned scientist Dr. Edith Widder is able to determine how many toxic chemicals are present in the water.

Submission + - A new kind of metal theorized to be in the earth's (ciw.edu)

slew writes: This article talks about a study accepted to Physical Review Letters that theorizes that Iron oxide goes through an insulator/metal phase change with high temperature and pressure. Originally it was thought to be a crystalline structure change, but now apparently it is theorized to be a new type of metallic state. This discovery might offer new insight on how the earth's magnetic field operates.

Submission + - Ask Slashdot: Assembling a desktop environment 1

paxcoder writes: Gnome Shell... is different. Very much so. The fallback was inadequate. I suspect that many people, like me, turned to the alternatives. My choice was LXDE, which worked ok, until (lx-)panel broke in the unstable branch of the distro that I use. Tired of using the terminal to run stuff, I replaced the standard panel with the one from Xfce. That made me realize that we really don't need a packaged desktop environment, there are pieces ready for assembly. If you customize your graphical environment, what elements do you use? Which window manager, file manager, panel(etc.) would you recommend? Do you have a panel with a hardware usage monitors, how do you switch between workspaces? Anything cool we might not know about?

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