A Stanford University study explored the medical records of millions of people looking for patterns. People taking proton-pump inhibitors for chronic heartburn seemed to be at somewhat higher risk of having a heart attack than people not taking the pills.
The posterior end of the Loa loa worm is visible on the left. The disease-causing worm can now be located with a smartphone/microscope hookup. That's a big help because a drug to treat river blindness can be risky if the patient is carrying the worm.
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Rod-shaped specimens of Yersinia pestis, the bacterial cause of plague, find a happy home here in the foregut of a flea. Fleas can transmit the infection to animals and people, who can get pneumonic plague and transmit the infection through a cough or kiss.
A man stands near collapsed houses in Bhaktapur, on the outskirts of Kathmandu, on April 27, two days after a magnitude-7.8 earthquake hit Nepal. Aftershocks tend to get less frequent with time, scientists say, but not necessarily gentler.
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Sequencing the genes of a cancer cell turns up lots of genetic mutations — but some of them are harmless. The goal is to figure out which mutations are the troublemakers.
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