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Ozymandias Percy Bysshe Shelley - 1792-1822 I met a traveler from an antique land Who said: "Two vast and trunkless legs of stone Stand in the desert . . . Near them, on the sand, Half sunk, a shattered visage lies, whose frown, And wrinkled lip, and sneer of cold command, Tell that its sculptor well those passions read Which yet survive, stamped on these lifeless things, The hand that mocked them, and the heart that fed: And on the pedestal these words appear: 'My name is Ozymandias, king of kings: Look on my works, ye Mighty, and despair!' Nothing...

Designing Trees The same, often controversial gene-tweaking techniques that brought uspest-resistant fruits and vegetables now have a new target: trees. By Naomi Lubick Image: Courtesy of S. MerkleUNTIL THE BLIGHT, majestic American Chestnut trees dominated many U.S. forests. This image was taken in 1910 in the Great Smokey Mountains of North Carolina. To gain an appreciation for the promise--and perils--of genetically modified trees, consider the case of the American chestnut. Few trees have had such a remarkable presence and impact on the American landscape and ecosystem as the chestnut. Mature trees grew to 100 feet tall and their trunks...