July 6, 2018, 7:25 a.m.
Kyrgios tips De Minaur to give Rafa a scare
LONDON (Reuters) - Nick Kyrgios fired a warning to Rafael Nadal after continuing to lead a strong Australian challenge at Wimbledon on Thursday.
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Scientists have characterized a protein that enables certain microorganisms to recognize and absorb ammonium in their environment. Ammonium is considered a toxin that pollutes ecosystems - but for these bacteria it represents an important nutrient and energy source.https://www.sciencedaily.com/releases/2018/01/180113093731.htm
An international team of astronomers has made a surprising discovery about the birthplace of groups of stars located in the halo of our Milky Way galaxy. The astronomers now have compelling evidence showing that some of these halo structures actually originate from the Milky Way's disk itself, but were kicked out; this phenomenon is called galactic eviction.https://www.sciencedaily.com/releases/2018/02/180226181611.htm
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