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22 Jan 2015 Vol. 347 #6220
- Comet close-up reveals a world of surprises Diverse landscape of 67P suggests an unexpectedly complicated origin.
- Surveys reveal state of Afghan population From fertility to mortality, new data will help guide aid efforts.
- Japan's nuclear renaissance dogged by waste challenge Nuclear reprocessing is years late; repository is in limbo.
- Malaria may accelerate aging in birds Infection erodes telomeres and life spans—hinting that there are no benign parasites.
- Probing the proton A newly upgraded accelerator explores the seething maelstrom at the heart of matter.
- Using science to fight animal research Animal rights activist Justin Goodman is using science's own tools to combat animal research.
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Breakthrough of the Year 2013
Watch a video of the 2013 scientific Breakthrough of the Year & the nine runners-up, ranging from transparent brains to exploding stars.
Science's Editor-in-Chief Marcia McNutt writes about The potential of cancer immunotherapy in the war on cancer. more »
Areas to Watch
Science editors forecast science news to look out for in the year ahead. more »
Science editors rate how well they predicted scientific areas worth watching in 2013.
Science editor Robert Coontz takes us behind the scenes of how the Breakthrough of the Year is decided.