The Washington Times - December 3, 2008, 07:55PM

Scientists believe they have discovered the world’s oldest marijuana stash in an ancient grave in China’s Gobi Desert, the Discovery Channel is reporting.

The 2,700-year-old grave had about two pounds of marijuana in it, along with the remains of what scientists believe was a shaman.

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The scientists immediately recognized the stash as marijuana because the grave also held a 2,700-year-old bag of Doritos and an ancient tie-dyed T-shirt emblazoned with the words “Grateful Dead.” Scientists are debating the meaning of the words.