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Science  20 Apr 2018:
Vol. 360, Issue 6386, pp. 244-246
DOI: 10.1126/science.360.6386.244

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In science news around the world, the second annual March for Science features rallies in cities around the world to support the use of scientific analysis and evidence in public policy. The U.S. National Institutes of Health (NIH) in Bethesda, Maryland, broadens the scope of its investigation into ties between the alcohol industry and NIH's alcoholism institute to include funding decisions by the institute's director. Members of the United Nations's International Maritime Organization in London agree to cut greenhouse gas emissions from international shipping to 50% of 2008 levels by 2050. The U.S. National Science Foundation awards its prestigious prize for young scientists to Kristina Olson of the University of Washington in Seattle, the first psychologist ever to receive it and the first woman so honored since 2004. The U.S. Food and Drug Administration announces the first approval of artificial intelligence–based disease screening software that doesn't need a clinician to interpret the results—a computer program that analyzes digital images of a patient's retina to detect diabetic retinopathy, a common complication of diabetes that causes blindness.