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This is Scientific American's 60-Second Space, I'm John Matson. Got a minute?

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The Curiosity rover has achieved plenty of firsts in its six months on Mars.

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And the last first is especially noteworthy:

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on February 9th, NASA announced the Curiosity had made the inaugural run of its drill, boring into a rock to extract a sample from the interior.

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It thus became the first robot ever to drill on Mars.

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Curiosity has now gotten some use from most of its science instruments,

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but not all of them are working.

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At a conference at U.C.L.A., deputy project scientist Ashwin Vasavada explained that problems are facing the rover's wind and humidity sensors:

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"The humidity sensor is being calibrated.

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They think it's going to produce some good data--it's measuring a good signal.

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It's just the physical units don't quite make sense right now."

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Worse is the wind sensor, damaged during the rover's landing.

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"The wind sensor is actually six different sensors. We lost two of them during landing, and the other four are proving pretty hard to interpret as well.

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So we actually have no wind data yet."

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A few glitches are to be expected.

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After all, the Curiosity rover--with its unprecedented size and complexity--is a first in and of itself.

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Thanks for the minute, for Scientific American's 60-Second Space. I'm John Matson.

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