One group was totally blind. The other group was legally blind but could still make out light and dark.

研究人员拿两组盲人偏头痛者作对比，一组完全失明，另一组法定失明，但还分辨得出光和暗。

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So researchers took two groups of blind migraine sufferers. One group was totally blind. The other group was legally blind but could still make out light and dark.

研究人员拿两组盲人偏头痛者作对比，一组完全失明，另一组法定失明，但还分辨得出光和暗。

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University of Chicago cosmologist Juan Collar believes his group may have spotted a dark matter signal in their detector inside an abandoned mine in Soudan Minnesota.

芝加哥大学的宇宙学家胡安·科勒认为他的研究小组可能已经通过他们在明尼苏达州的苏丹的一个废弃矿井里的探测器，定位到了暗物质信号。

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The Andromeda Galaxy is big enough and near enough to be seen by the unaided eye in the star group Andromeda on a dark night.

VOA: special.2009.01.20

Winblad remembers Gates disappearing on a dark beach after his group had been given the word sea, and then slowly emerging from the mist singing a high-pitched solo of Puff, the Magic Dragon.

CNN: In Search Of The Real Bill Gates

Petstore.com is the group's dark horse.

FORBES: Rabid Redux

The 1955 exhibition "Man, Machine and Motion, " organized by Richard Hamilton, a member of Britain's Independent Group, is both dark and exuberant.

WSJ: Ghosts in the Machine | New Museum | Beyond Human | By Kristin M. Jones