ES
体育与实时比分
Coughlin first in LPGA history to open round with 9 straight birdies
Lauren Coughlin made LPGA history when she birdied her first nine holes at the Walmart NW Arkansas Championship on Saturday.
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科学与环境
The LHC just ruled out another hiding place for quantum black holes
Physicists searching through Large Hadron Collider data found no evidence that the machine has been producing microscopic quantum black holes, but the result sharply narrows where such exotic physics could still be hiding. These hypothetical black holes could form if extra spatia
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科学与环境
Black holes of every size follow the same surprising rule
Scientists have found evidence that black holes of vastly different sizes may launch powerful jets according to the same universal rule. Supermassive black holes can produce jets soon after tearing apart a star, then fire up again hundreds or thousands of days later when their fe
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