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Science  03 Aug 2012:
Vol. 337, Issue 6094, pp. 507-508
DOI: 10.1126/science.337.6094.507-a

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The world's largest telescope to observe the highest energy photons from space saw its first light in Namibia last week. An orchid called Acampe rigida seems to be the first discovered that depends on rain to pollinate its flowers. And this week's numbers quantify HIV-infected U.S. men who have sex with men, low-income countries that will become middle-income by 2020, and the speed of cheetahs and ducks.