Nature News highlights: 2 April 2015

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02 April 2015       nature news alert • Read Nature's news online • Subscribe to Nature Your weekly update from Nature's global news team.             • Featured               UK Election 2015 ▶       The UK general election on 7 May is uncertain on many fronts. Nature investigates what it could mean for science. Read More ▶                 • Latest News               Exoskeleton boots improve on evolution ▶ 01 April 2015     Unpowered mechanical design lowers the energetic costs of walking. Read More ▶             Mini enzyme moves gene editing closer to the clinic ▶ 01 April 2015     Discovery expands potential CRISPR toolbox for treating genetic diseases in humans. Read More ▶             Seven days: 27 March–2 April 2015 ▶ 01 April 2015     The week in science: NASA's controversial space rock plan; global renewable energy boost; and Stephen Hawking trademarks his name. Read More ▶               • More Stories               Stopping deforestation: Battle for the Amazon ▶ 01 April 2015     Brazil has waged a successful war on tropical deforestation, and other countries are trying to follow its lead. But victory remains fragile. Read More ▶             Change the cancer conversation ▶ 01 April 2015     The 'war on cancer' has run off course. Efforts must refocus on the best interests of patients, says Colin Macilwain. Read More ▶             UN gets first pledges on road to Paris climate talks ▶ 31 March 2015     The United States, Europe and others file plans for reducing greenhouse-gas emissions, with most expected to reveal commitments by July. Read More ▶             Evidence-based medicine: Save blood, save lives ▶ 31 March 2015     Transfusions are one of the most overused treatments in modern medicine, at a cost of billions of dollars. Researchers are working out how to cut back. Read More ▶             UK election: Nature polls its readers on the science vote ▶ 31 March 2015     Survey suggests that left-leaning readers are taking more notice of historically minor parties. Read More ▶             LHC expects to restart within days ▶ 31 March 2015     Attempts to clear the debris causing a short circuit appear successful. Read More ▶             UK election: Upstart parties set out science plans ▶ 31 March 2015     What the rising influence of the Greens, UKIP and the Scottish National Party means for research policy. Read More ▶             Neuron encyclopaedia fires up to reveal brain secrets ▶ 31 March 2015     But effort to catalogue brain's building blocks may stoke disagreements over classification. Read More ▶             Poverty shrinks brains from birth ▶ 30 March 2015     Studies show that children from low-income families have smaller brains and lower cognitive abilities. Read More ▶             Budget restrictions bite for Europe's space mission hopefuls ▶ 30 March 2015     Plans to capture an asteroid and travel to other planets are culled from European Space Agency shortlist. Read More ▶             Researchers chafe at halt of psychiatric trials ▶ 30 March 2015     After external reports blast ethics practices, University of Minnesota stops drug-study enrolment. Read More ▶             Global-warming limit of 2 °C hangs in the balance ▶ 27 March 2015     Panel creates scientific baseline for debate about climate reparations. Read More ▶                 Nature Outlook Biomaterials The Nature Outlook: Biomaterials examines the many ways in which solutions created by the natural world - by spiders, mussels, geckos, lotus leaves and more - are inspiring technological imitations that surpass some of the best existing human-engineered substances. 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