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28 Aug 2014 Vol. 345 #6200
- Animal welfare accreditation called into question PETA study finds violations more often in approved labs.
- Genomes reveal start of Ebola outbreak Viral sequences demonstrate how the disease spread in Sierra Leone.
- As volcano rumbles, scientists plan for aviation alerts Ash sensors ready to deploy on ground, planes.
- A chocolate habit in ancient North America Residues on pottery suggest close ties between Mesoamerica and cultures to the north.
- Why null results rarely see the light of day “File drawer” study proposes registry for unpublished social science data.
- Supernova breaks the mold A massive explosion in a nearby galaxy both confirms and confounds astronomers' expectations.
- In search of Green Arabia Researchers are scouring the now-barren Arabian Peninsula to uncover its hidden role in ancient human migration.
- About Us
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.