New York Times: "Despite the inherent attractiveness of cute trucks and clever food options, the [foodcart] business stinks."
Reuters: Investigators have confirmed that ammonium nitrate was the trigger for the explosion at a West, Texas, fertilizer plant last month that left 14 people dead.
Reuters: The three women were discovered alive in a house in Cleveland and the home's owner and his two brothers were arrested, police said on Tuesday.
REUTERS: Legislation allowing states to impose sales taxes on online retailers easily passed the Senate but appears to face greater opposition among House Republicans.
USA Today: Facebook joined the Fortune 500 for the first time, due to its rising revenue.
AP: A 93-year-old man was arrested by German authorities on allegations he served as an Auschwitz death camp guard.
LA Times: The California Supreme Court decided that cities may ban medical marijuana dispensaries through zoning, as happened in Riverside.
BBCnews: The Arctic seas are being made rapidly more acidic by carbon-dioxide emissions, according to a new report.
AP: The drugmaker will begin selling its popular erectile dysfunction pill Viagra directly to patients on its website.
POLITICO: A new poll for the 2016 presidential race that didn't include Republican candidates has Hillary Clinton heavily favored as the Democratic nominee.
Guardian: Chinese authorities have detained more than 900 people in the last three months over meat-related offenses.
Reuters: A solar-powered airplane that developers hope to eventually pilot around the world took off early on Friday from San Francisco Bay.
CBSnews.com: The Centers for Disease Control and Prevention said Thursday that suicides are now the tenth-leading cause of death in the U.S.