Iran announced Sunday it will raise its enrichment of uranium, breaking another limit of its unraveling 2015 nuclear deal with world powers and further heightening tensions between Tehran and the U.S. Government spokesman Ali Rabiei told a news conference that Iran will go beyond the limit of 3.67% enrichment Sunday and that the new percentage “will be based on our needs,” without specifying. Iran made the decision a year after President Donald Trump unilaterally withdrew from the deal. Iran has repeatedly warned Europe in recent weeks that it would begin …

Sofia Lysenko’s parents moved to the United States from the Ukraine when she was 3 years old. Today, at 17, some of the biggest American pharmaceutical companies want to team up with this teenage science prodigy because she has created an artificial macromolecule robot that can deliver drugs directly to the brain cells of patients with Alzheimer’s and Parkinson’s. Iryna Matviichuk met with Sofia to learn more. Anna Rice narrates her report. … From: MeNeedIt

Emergency workers in Ridgecrest, Calif., are assessing the damage after a second major earthquake struck the desert community northeast of Los Angeles on Friday night. No deaths or major injuries have been reported from either the Thursday or Friday quake, but as Mike O’Sullivan reports, Friday’s magnitude-7.1 temblor caused additional damage and left residents shaken. … From: MeNeedIt

Hong Kong has long been seen as a good place to do business, thanks to its proximity to China and the one-country, two systems policy that provides a wide degree of economic freedom. But as Beijing expands its control, that reputation is at risk, as VOA’s Bill Gallo reports. … From: MeNeedIt