The entwined destinies of mankind and leprosy bacteria

Leprosy still affects hundreds of thousands of people today throughout the entire world. An international team headed by EPFL professor Stewart Cole has traced the history of the disease from ancient Egypt to today and in ...

Why retroviruses such as HIV love their neighbors

Retroviruses such as HIV that are already within cells are much more easily transmitted when they are next to uninfected cells than if they are floating free in the bloodstream.

Yeast missing sex genes undergo unexpected sexual reproduction

An emerging form of the pathogenic yeast Candida is able to complete a full sexual cycle in a test tube, even though it's missing the genes for reproduction. And it may also do so while infecting us, according to Duke University ...

Scientists elucidate which bacteria block artificial bile ducts

A consequence of the different cancers of the hepatobiliary system is blocked bile ducts. However, artificial catheters known as "stents" can remediate this problem. Stents are medical implants which reopen narrowed bile ...

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