Together, the 15 high schoolers formed a team for the first World Smarts STEM Challenge. That's a science competition run by IREX, a global development nonprofit that strives to promote student enthusiasm for science, tech, engineering and math (aka STEM). Each of the 17 teams had teenagers in the D.C. area partnering with Ghanaians to identify and solve a real-world problem. 

U.S. representative Raúl Grijalva said climate change is the greatest danger facing the world right now in his closing speech at the Science Diplomacy and Policy with Focus on the Americas conference in Tucson. Applause erupted from the conference attendees, speakers, panelists and organizers in the audience. [...] The conference aimed to provide a “state of the art” vision for the future in science diplomacy and policy. 

The 14-to-0 vote by the United Nations Security Council condemning Israeli settlements, permitted on Friday by President Obama, who ordered an American abstention, served as a reminder that the Palestinian issue remains a powder keg. Mr. Trump’s clarion call supporting Israel on settlements and his promise to move the American Embassy to Jerusalem could easily stir new antipathy among the Sunni Arab states Mr. Netanyahu has been courting most, analysts said.