This is ALL THINGS CONSIDERED from NPR News. I'm Melissa Block.
Tonight, Mitt Romney accepts his party's nomination for president, as the Republican National Convention wraps up in Tampa. Last night, it was his running mate Paul Ryan's turn. And in his speech, Ryan made a number of statements that have made this a busy day for fact-checkers. Among them, Glenn Kessler, who writes the Fact Checker column for The Washington Post.
Egypt's President Mohammed Morsi caused a diplomatic stir today in Tehran, opening a summit of the Non-Aligned Movement. Morsi denounced the Syrian regime, calling it oppressive and illegitimate. That prompted an angry walk-out by the Syrian delegation. And Morsi's comments cannot have pleased the summit's hosts either. NPR's Leila Fadel reports.
"In one study, astronomers used WISE to identify about 2.5 million actively feeding supermassive black holes across the full sky, stretching back to distances more than 10 billion light-years away. About two-thirds of these objects never had been detected before because dust blocks their visible light. WISE easily sees these monsters because their powerful, accreting black holes warm the dust, causing it to glow in infrared light."