Bacteria

The filthy, stinking truth
The messy history of cleanliness, and why our obsession with dirt may be making us sick.
Ask the pilot
Remember the sense of awe you used to feel on an airplane ride? Where did it go? Plus: The lowdown on that "filthy" and "germ-laden" cabin air.
History as written by a "SimCity" freak
Gifted amateurs defeated London's cholera epidemic in the 1850s, says culture/tech visionary Steven Johnson, and today a similar bottom-up approach to knowledge can improve neighborhoods, reform cities, even thwart terror.
Dead or alive?
A military biowarfare training program alarms nearby residents -- especially when the Army can't keep its story straight.
Attack of the killer nasties?
The American Medical Association recently urged the FDA to tighten its control over antibacterial products. So what's stopping it?
Eating germs
Our semi-sterile lives may be too much of a good thing. Now scientists are inventing "dirty" therapies to remedy our dangerous cleanliness. Second of two parts.
Talking dirty
Bring on the germs. Too much cleanliness may be making some people sick. First of two parts.
Kicking for breath
I watched as my brother almost died from asthma.
Voyage into the great unflossed
A dental-phobic writer takes a trip into the cavity we call the mouth.
Got milk?
New tests point to a fat compound in milk as a possible STD fighter.
Scary as hell
People are dying because antibiotics can't keep up with resistant bugs.
It's a microbe's life
Land of the free, home of the clean freak -- the latest round of microbial warfare has turned America into a paranoid hot zone.
No McNukes!
Does irradiating meat and other food make it safer -- or create new health risks, especially to children?

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