Traditional houses are built of stone and mud, but straw is far more resilient, says California engineer Darcey Donovan, and warmer in winter to boot.

传统房屋的建筑材料是石头和泥土，但稻草更富有弹性，在冬季更能保暖，加利福尼亚州的工程师达西·多诺万如是说。

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Michael Comberiate, a retired NASA engineer and manager of Goddard's Engineering Boot Camp said the Earth-bound Greenland Rover is similar to NASA missions off the planet.

ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)