Nature News highlights: 26 February 2015

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26 February 2015       nature news alert • Read Nature's news online • Subscribe to Nature Your weekly update from Nature's global news team.               • Featured               Dwarf planets ▶       2015 is the year of the dwarf planet, with two NASA spacecraft set to capture the best glimpse yet of Pluto and Ceres, the largest object in the asteroid belt. It's a busy time for the Young siblings - a brother-sister team who have spent their lives researching Pluto, and a fitting moment to reflect on the distant world's long and strange history. Read More ▶                 • Latest News               Food preservatives linked to obesity and gut disease ▶ 25 February 2015     Mouse study suggests that emulsifiers alter gut bacteria, leading to the inflammatory bowel condition colitis. Read More ▶             Young black hole had monstrous growth spurt ▶ 25 February 2015     Super-massive object found in early Universe tests theories of cosmic evolution. Read More ▶             Game-playing software holds lessons for neuroscience ▶ 25 February 2015     DeepMind computer provides new way to investigate how the brain works. Read More ▶               • More Stories               Seven days: 20–26 February 2015 ▶ 25 February 2015     The week in science: Head of Intergovernmental Panel on Climate Change resigns; Europe's graphene project is on track; new killer virus discovered in United States. Read More ▶             A tale of two dwarf planets ▶ 25 February 2015     Graphical guide to the NASA missions that will provide the first close looks at Ceres and Pluto. Read More ▶             Planetary science: The Pluto siblings ▶ 25 February 2015     Leslie and Eliot Young have spent their lives studying Pluto. Now they are gearing up for the biggest event of their careers. Read More ▶             Neuroscience in court: The painful truth ▶ 25 February 2015     Brain-scanning techniques promise to give an objective measure of whether someone is in pain, but researchers question whether they are reliable enough for the courtroom. Read More ▶             Researchers seek definition of head-trauma disorder ▶ 25 February 2015     Guidelines should assist in diagnosis of brain disease seen in retired American footballers. Read More ▶             Francis Crick Institute raises alarm about train line ▶ 25 February 2015     London biomedical powerhouse fears that proposed route will disrupt delicate science experiments. Read More ▶             Climate leadership in question as IPCC chief resigns ▶ 24 February 2015     Chairman Rajendra Pachauri stands down amid allegations of sexual harassment. Read More ▶             Focus on political Islamic groups to boost science ▶ 24 February 2015     For science to realize its potential in the Muslim world, attitudes need to change at a societal level, not just an individual one, says Dyna Rochmyaningsih. Read More ▶             Wanted: 80,000 British babies for massive study ▶ 24 February 2015     UK launches effort to track children from birth, months after US counterpart closes. Read More ▶             Six challenges to stamping out Ebola ▶ 24 February 2015     Despite a recent sharp drop in the overall number of Ebola cases, the situation remains precarious in West Africa. Read More ▶             India's PhD students on hunger strike over delayed pay rise ▶ 24 February 2015     Funding agencies stall over fellowship wage hikes announced by government last October. Read More ▶             Physicists make 'weather forecasts' for economies ▶ 23 February 2015     The development of some countries is as predictable as steady winds, but for others it is more chaotic, physicists find. 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