Louisiana State University researchers Paige Jarreau and Becky Carmichael led a study that shows scientists who post selfies or self-portraits on Instagram foster trust and help change public stereotypes. (Paige B. Jarreau and Becky Carmichael, LSU) At a Glance A new study set out to challenge the perception that scientists are "cold."Researchers asked some 1,600 Instagram users to rate their feelings on scientists' selfies. Scientists of the world take note: People who see your smiling selfies on social media find...

To help predict the growth of global shipping and the spread of invasive species, researchers compiled data on more than 50 million voyages taken by some 81,000 ships worldwide from 2006 to 2014. (BEN STANSALL/AFP/Getty Images) At a Glance The global maritime industry could grow as much as 1,200% by the year 2050, in part due to new shipping lanes opened up by climate change.The growth could create new travel routes for invasive marine species. The consequences could be dire,...

At a Glance Louisiana Gov. John Bel Edwards declared a statewide weather emergency.A tornado caused damage in Suffolk, Virginia.Flooding caused about two dozen cars from a Norfolk Southern freight train to derail Saturday near Hillsdale, Mississippi.The U.S. Army Corps of Engineers opened the Bonnet Carré spillway on Friday to relieve stress on New Orleans levees.High waters continued Saturday night in New Orleans. High winds and severe thunderstorms downed trees and damaged buildings in Alabama and Florida, after a night of...