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Science  22 Jul 2011:
Vol. 333, Issue 6041, pp. 390-391
DOI: 10.1126/science.333.6041.390-b

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In science news around the world this week, two studies in sub-Saharan Africa have shown for the first time that anti-HIV pills protect uninfected heterosexuals, the United Kingdom's House of Lords Science and Technology Sub-Committee says it's going to take more than a "nudge" for people to change bad habits, vandals attacked a transgenic wheat test plot in Australia, and switching from paper to electronic communication may not help the planet as much as has been claimed.