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Immune cells don't always ward off carbon nano invaders

Scientists at the University of Michigan have found evidence that some carbon nanomaterials can enter into immune cell membranes, seemingly going undetected by the cell's built-in mechanisms for engulfing and disposing of foreign material, and then escape through some unidentified pathway.

The researchers from the School of Public Health and College of Engineering say their findings of a more passive entry of the materials into cells is the first research to show that the normal process of endocytosis-phagocytosis isn't always activated when cells are confronted with tiny Carbon 60 (C60) molecules.

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Memory Reformat Planned for Opportunity Mars Rover

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NASA's Mars rover Opportunity captured this view southward just after completing a 338-foot (103-meter) southward drive, in reverse, on Aug. 10, 2014.

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Satellites Help Explain Zebra Migration

Every year, zebras in Botswana begin a 580-kilometer migration looking for food. Even though it’s an annual event, researchers only had a general idea when it would start and they didn’t know which route the animals would take or why. That is, until now.

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Hunting Massive Stars with Herschel

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W3 is an enormous stellar nursery about 6,200 light-years away in the Perseus Arm, one of the Milky Way galaxy's main spiral arms, which hosts both low- and high-mass star formation. In this image from the Herschel space observatory, the low-mass forming stars are seen as tiny yellow dots embedded in cool red filaments, while the highest-mass stars -- with greater than eight times the mass of our sun -- emit intense radiation, heating up the gas and dust around them and appearing here in blue.

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How Dog-Savvy Is Your Child?

Simple safety tips can prevent nasty bites, expert says.

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US Passengers Continue to Pack Guns & Grenades

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International Olympic Committee sanctions two athletes for failing anti-doping tests

The International Olympic Committee (IOC) today announced that it had excluded Russian athlete Victoria Baranova (cycling-track, women's sprint) and provisionally suspended Colombian athlete Diego Palomeque Echavarria (athletics, men's 400m) from the Games of the XXX Olympiad in London.

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Ohio Army Guard engineers wire buildings at Camp Ravenna

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Army Pfc. Sarah Pastorius, left, of the 1194th Engineer Company works with Spc. Patrick McCorkle, of the same unit, to install electrical wiring in a building at Camp Ravenna Joint Military Training Center in northeast Ohio. BThe Soldiers of the 1194th Eng. Co. wired five buildings that were recently constructed as a way to hone their engineer skills.

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New Hampshire Air National Guard medics travel to El Salvador, take part in urban search and rescue exchange

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Tech. Sgt. Shawn Theberge, a medical technician with the 157th Medical Group, plays the role of a victim during a training exercise at the Santanita Fire Training Complex in San Salvador, El Salvador, as a member of the local fire department begins to extract him.Personnel from the New Hampshire Air National Guard traveled to San Salvador to participate in a Chemical Biological Radiological Nuclear High Yield Explosive Enhanced Response Force Package (CERFP) exchange with local search and rescue authorities.

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Olympic Power Couple Loyal to Two Nations

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Olympic hopefuls American Ashton Eaton and Canadian Brianne Theisen are hoping to compete for gold for their respective countries, but have already won the affection of one another.