Health

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sniff test

TAKE A BREATH  Unlike kids without autism, kids with the disorder breathe in just about as deeply whether they’re smelling unpleasant odors (rotten fish, sour milk) or pleasant ones (roses, shampoo), a new study suggests. Researchers delivered scents via tubes hooked up to the children’s noses, and measured length and depth of inhalations.

clot snatcher

Snatching blood clots from the brain with a wire mesh stent is a new stroke treatment that is now supported in the United States.

Yersinia pestis bacteria

TINY KILLERS  Acquiring one gene and one mutation allowed these plague bacteria, Yersinia pestis (shown in yellow in a flea’s digestive system in this colored scanning electron micrograph), to cause deadly pandemics. 

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