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Science  02 Dec 2011:
Vol. 334, Issue 6060, pp. 1186-1188
DOI: 10.1126/science.334.6060.1186-c

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A new species of orchid has been discovered in the primeval tropical forest of the island of New Britain in Papua New Guinea that blooms at night. An Internet psychologist has identified four common characteristics of so-called viral videos. And this week's numbers quantify the amount paid by Gilead Sciences for Pharmasset and the fraction of global energy supply that could be derived from biomass without damaging food production.