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Chaining up diarrhoea pathogens

Researchers have clarified how vaccinations can combat bacterial intestinal diseases: vaccine-induced antibodies in the intestine chain up pathogens as they grow in the intestine, which prevents disease and surprisingly also ...

dateApr 18, 2017 in Cell & Microbiology
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The lifetimes of massive star-forming regions

Astronomers can roughly estimate how long it takes for a new star to form: it is the time it takes for material in a gas cloud to collapse in free-fall, and is set by the mass, the size of the cloud, and gravity. Although ...

dateApr 17, 2017 in Astronomy
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The stability of the solar wind

NASA's Wind spacecraft observes the solar wind before it impacts the magnetosphere of Earth. Launched in 1994 into an orbit more than two hundred Earth-radii away, one of Wind's prime objectives is to investigate the basic ...

dateJun 20, 2016 in Space Exploration
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The physical properties of dense molecular clouds

Small, dense interstellar clouds of gas and dust, containing hundreds to thousands of solar-masses of material, are suspected of being the precursors to stars and stellar clusters. These so-called cores, with gas densities ...

dateJun 25, 2015 in Astronomy
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