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NEW YORK (AP) — Athletes in Rio will compete to be the fastest sprinter and highest jumper at the Olympics this August. But there's another test underway as well: How well can virtual reality capture sporting events?
The hole in the ozone layer over the Antarctic has begun to shrink, signaling good news for the environment decades after an international accord to phase out certain pollutants, researchers said Thursday. The study found that the ozone hole had shrunk by 1.5 million square miles (four million square kilometers) -- an area about the size of India -- since 2000. Most of the world signed on to the Montreal Protocol in 1987, which banned the use of CFCs.