The result of using the Combined Ravens Test to basketball players in China showed that the intelligence of Chinese basketball players were just of medium level;

采用瑞文测验方法，对我国高校篮球运动员的智力水平进行研究，结果表明：高校篮球运动员的智力总体上属中等偏上水平； 篮球专项运动的教学与训练可提高智力水平；

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To test whether ravens could follow gaze, Dr Heinrich and Dr Bugnyar used six six-month-old hand-reared ravens, and one four-year-old.

ECONOMIST: Now, it seems, even the bird-brained have theories of mind