• Around the World

    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.

  • Precise Manipulation of Chromosomes in Vivo Enables Genome-Wide Codon Replacement

    Template-mediated, genome construction and assembly created a strain with 80 precise codon changes.

  • Around the World

    In science news around the world this week, the U.K. has abandoned DNA and isotope testing of asylum seekers, a fungal disease blamed for the disappearance of amphibians around the world has reached the border of one of Central America's largest remaining wilderness areas, the Arabian oryx has come back from the brink of extinction, the U.S. Supreme Court has rejected the "nuisance" argument against power plant emissions, and Japan's "K Computer" is now the fastest supercomputer in the world.

  • Newsmakers

    This week's Newsmakers are pediatric neurologist and geneticist Huda Zoghbi of Baylor College of Medicine, who has won this year's Gruber Prize in Neuroscience; materials scientist, applied physicist, and entrepreneur John Rogers of the University of Illinois, Urbana-Champaign, who has won the $500,000 Lemelson-MIT Prize for 2011; and six Iowa Girl Scouts who have been awarded $20,000 from the X PRIZE Foundation to help obtain a patent on their original design for a prosthetic hand device.

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