The Secrets Within Cosmic Dust

At the threshold of a sterile lab at NASA’s Johnson Space Center in Houston, I pull on a white clean-room suit, a surgical cap and mask, booties and latex gloves.

My host, a mineralogist named Mike Zolensky, swabs my digital voice recorder with alcohol to remove flakes of skin and pocket lint. He doesn’t want any detritus to contaminate the precious dust in the room.

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About Voices

This is a section of the AllThingsD Web site featuring posts that have been curated from around the Web: pieces we’ve read, discussions we’ve followed, stuff we like. Five posts are included here each weekday, but only the headline and the first two sentences. We link to the original site for the rest. The section is explicitly labeled, so it’s clear that content comes “from other Web sites.”

We also solicit original full-length posts and accept some unsolicited submissions. Voices is edited by Beth Callaghan.

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