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Beware distant dust
Brendan Borrell | Sep 29, 2009 | 2 min read
Dust and other disturbers of air quality are traveling vast distances to affect the health of people worldwide, says a new report
Once bitten
Bob Grant | May 1, 2010 | 3 min read
By Bob Grant Once bitten An SEM of the tick Ixodes scapularis, carrier of Lyme disease. © David Scharf / Science Faction / Corbis The fever kicked in during the long plane journey home to Philadelphia from Africa. An intense heat washed over my body, my head throbbed, my neck muscles ached, and I tried desperately to stretch the flimsy airline blanket over my chill-wracked arms and legs. All because of a South African tick—o
Wounded Cells
Monica Heger | Nov 1, 2009 | 3 min read
By Monica Heger Wounded cells A cross-section of traumatically injured muscle tissue containing progenitor cells (green). Muscle fibers (dark) do not contain nuclei (blue). The injured soldier, a patient at Walter Reed Army Medical Center in Washington DC, was unforgettable. “He was a special forces guy, in the middle of a firefight,” his physician Leon Nesti recalls. “His leg was blown off above the knee. In the middle o
Baghdad hack
Brendan Borrell | Dec 1, 2008 | 3 min read
A dust cloud in Iraq." />A dust cloud in Iraq. It was over 50°C (130°F) outside when Mark Lyles slipped on his flak jacket, helmet and goggles, grabbed his N95 dust mask, and climbed aboard a Blackhawk helicopter at the US Central Command Zone in Iraq four years ago. The prop blades kicked up a fine grit that would hang in the air for days. Lyles knew that these particles, finer than talcum

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