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Weird Science

Some bacteria use a nanosized speargun to get rid of competitors

bacterial speargun

In order to get rid of unpleasant competitors, some bacteria use a sophisticated weapon — a nanosized speargun. Researchers at the University of Basel’s Biozentrum have now gained new insights into the construction, mode of action and recycling of this weapon. As they report in the journal Nature Microbiology, the speargun …

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Aspirin provides new insight into delicate motions of electrons

Aspirin

Aspirin in form of small crystallites provides new insight into delicate motions of electrons and atomic nuclei. Set into molecular vibration by strong ultrashort far-infrared (terahertz) pulses, the nuclei oscillate much faster than for weak excitation. They gradually return to their intrinsic oscillation frequency, in parallel to the picosecond decay …

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