You are currently viewing the summary.
View Full TextLog in to view the full text
AAAS login provides access to Science for AAAS members, and access to other journals in the Science family to users who have purchased individual subscriptions.
More options
Download and print this article for your personal scholarly, research, and educational use.
Buy a single issue of Science for just $15 USD.
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.