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AstronomyThe magnetic link between star and planet
Astronomers have for the first time directly measured the magnetic field of a star known to host a giant planet.
By Ron Cowen -
TechA nano–cheese slicer
Stringing a carbon nanotube between two needles yields a nanoscale cheese knife that could improve slicing of biological samples.
By Peter Weiss -
Health & MedicineSalad Doubts
Researchers are looking into new ways to sanitize harvested produce and prevent foodborne pathogens from infecting people.
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The paucity of comments received by Nature in its Web experiment confirms the obvious: Few scientists can afford the time for peer reviews.