Dr. Miuel Nicolelis, a Duke University neuroscientist originally from Brazil, has been in Sao Paulo for the past year caring for his mother. He says it's like a war zone.
Brazil has launched a massive vaccination campaign to protect against a disease that has killed hundreds of people. But it's facing huge challenges, including a shortage of the yellow fever vaccine.
Tail-costumed swimmers in the South American nation say they will not bend despite official safety warnings.
A hundred years after the first recorded samba, São Paulo is pioneering the genre's second act. The city's introspective anthems couldn't be more different than Rio's optimistic, breezy samba beat.
Aparecida Schunck, whose daughter is married to billionaire Bernie Ecclestone, had been kidnapped and held for ransom. Police said Sunday that Schunck had been found unharmed in Sao Paulo.
In Sao Paulo, home to 20 million people, water shortages have become part of daily life. Some residents are leaving for lusher regions. Ecologists say Amazon deforestation may be affecting rainfall.
With more than a million visitors expected for the games, Brazilian authorities are trying to control the mosquitoes that carry the disease and stop a sudden spike of cases in Sao Paulo.