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Four individuals in Miami-Dade and Broward counties have been infected with the Zika virus by local mosquitoes.

Athletes who have been banned from Rio compete in their own alternative games in Moscow.

Dumbfoundead (real name Jonathan Park) is a Korean American rapper who has never backed down from a battle—rap or otherwise. He sings about the Asian American experience in his work and is vocal about the lack of Asians in popular culture. Once he took the mic, he never looked back.

Theranos founder and CEO Elizabeth Holmes refutes critical Wall Street Journal reporting about the company and says Theranos has simply adjusted its practices while transitioning to FDA approved guidelines.

CNN World Rugby reports on how English, Scottish and Welsh rugby players are united in the goal of winning sevens gold for Britain at the Rio Olympics.

Tesla is building a massive factory in Nevada to produce lithium ion batteries for its electric vehicles. Go inside the facility that, when completed, will have the largest ground footprint of any building in the world.

One San Diego police officer was killed and another was injured in a shooting as they tried to make a stop in the city, police said.

Gov. Rick Scott discusses the first confirmed U.S. transmissions of the Zika virus detected in Florida.

Dan Archer is a graphic artist telling true stories in a comic book style. He's already organized a display of work featuring him and his fellow artists.

The women in the crowd at the DNC reacting to Hillary Clinton's historic speech.

Kristie Lu Stout speaks to Animals Asia Director Dave Neale about trying to save a polar bear, living in miserable conditions in China.

Democratic vice presidential nominee and Virginia Sen. Tim Kaine reacts to Donald Trump's "sarcastic" remarks about Russia hacking Hillary Clinton's emails.

Fiji coach Ben Ryan tells CNN World Rugby how his all-conquering sevens team is coping with being a gold-medal favorite at the Rio 2016 Olympics.

Democratic vice presidential nominee and Virginia Sen. Tim Kaine discusses his stance on TPP and the Hyde Amendment.

CNN World Rugby traces the roots of the sevens game from 19th-century Scotland to modern-day Brazil, where it makes its Olympic debut.

CNN's Christina Macfarlane reports on how soccer-mad Olympic host Brazil is embracing a new sport ahead of Rio 2016 -- rugby sevens.

Rugby sevens makes its Olympic debut at Rio 2016 -- CNN World Rugby explains the key differences between the shortened format and the 15-a-side game.

Democratic vice presidential nominee Tim Kaine tells CNN about his emotional moment on the DNC stage.

As long as she can remember, Jillian Morris has loved sharks. To get closer to them, she moved to the tiny island of Bimini in the Bahamas—the shark diving capitol of the world. There, she photographs one of the world's most alluring shark species, the great hammerhead. In addition to her underwater photography, Morris educates kids about the importance of sharks to our oceans. Suit up, jump in and don't be afraid.

Balloons fall from the ceiling as Hillary Clinton celebrates at the Democratic National Convention where she became the first woman to win the presidential nomination of a major party.