Guide missing for a week on Mount Everest found crawling to base camp Nothing short of a miracle CBS News

The police operation was one of the most violent in Brazil's recent history, with human rights organizations calling for investigations into the deaths.

A recent report found high levels of lead in some protein powders and shakes, but demand among U.S. consumers has soared.

The United Nations' health agency says the number of drug-resistant bacterial infections is surging, compromising life-saving treatments and rendering minor injuries and common infections potentially deadly.