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Satellite sees short-lived Tropical Cyclone Kirk

Tropical Storm Kirk formed on Saturday, Sept. 22. By Monday, Sept. 24, Kirk lacked the closed circulation that is a prerequisite for tropical cyclone status. The NOAA-20 satellite provided a visible image of the storm at ...

dateSep 24, 2018 in Environment
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Secret messages for Alexa and Co

A team from Ruhr-Universität Bochum has succeeded in integrating secret commands for the Kaldi speech recognition system – which is believed to be contained in Amazon's Alexa and many other systems – into audio files. ...

dateSep 24, 2018 in Computer Sciences
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How microvilli form

The gut is lined by cells containing brush borders, which are composed of arrays of microvillar protrusions that help in nutrient absorption and provide a barrier against pathogens and toxins. Microbes such as E. coli can ...

dateSep 24, 2018 in Cell & Microbiology
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Mercury and its depressions

One of the most surprising discoveries of the NASA's Messenger mission was the presence of unusual, bright, irregular and rimless flat-floored depressions on the surface of Mercury. These depressions, called hollows, are ...

dateSep 19, 2018 in Space Exploration
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