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Summary
In science news around the world, the Trump administration officially informs the United Nations that the United States will abandon the Paris climate pact, starting a 1-year countdown to withdrawal. A little-known biotech company gains approval in China to market a plant-derived compound claimed to improve cognitive function in Alzheimer's patients. A peer-reviewed journal agrees to publish a highly contested study that argues that sexism isn't harming the careers of female physicists. President Donald Trump announces plans to nominate Stephen Hahn, an oncologist and cancer center executive, to head the U.S. Food and Drug Administration. The 25th United Nations climate change summit, to be held in December, is moved from Santiago to Madrid because of civil unrest in Chile. U.S. universities and science agencies have been slow to adopt best practices for mentoring budding scientists, says a report by the National Academies of Sciences, Engineering, and Medicine.
