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CNN's Kelly Bowman reports on a group of students who invented an app and helmet designed to prevent concussions in contact sports.

Africa's first professional cycling team is on a mission to win major championships -- and change lives. "Inside Africa" airs on CNN. Check your local listing for show times.

The mother of a man fatally shot by police during a traffic stop says she has not seen her son's fiance, who recorded the aftermath of the shooting, since shortly after the incident.

CNNI talks to Stephen Hadley, Chairman of United States Institute of Peace, about Iraq.

Dance is the universal form of expression. Meet some movers and shakers that are breaking the mold in the dance world. "African Voices" airs on CNN. Check your local listing for show times.

Gov. Mark Dayton is calling for a federal investigation into the shooting death of Philando Castile.

Diamond Reynolds, the woman who livestreamed the aftermath of the fatal shooting of her fiancé by police in Minnesota this week, told reporters Thursday that he had been following orders by police to reach for his license and registration.

The family of Philando Castile, a man killed by Minnesota police during a traffic stop, speak out.

FBI Director James Comey says Hillary Clinton was not sophisticated about classified information and security levels for government information.

Surveillance video was released of a Secret Service agent shooting a man with a gun near a White House security points in May.

Pepsi shares rose on a strong earnings report and WhiteWave Foods stock surged on news that french yogurt maker Danone announced plans to acquire the organic foods company.

CNN's Christina Macfarlane reports on the grueling fitness regime of America's Cup champion Oracle Team USA.

Police exchanged gunfire with men carrying bombs trying to attack the country's biggest gathering to mark the Muslim Eid holiday. CNN's Alexandra Field reports.

Go inside some of the tunnels that notorious drug lord Joaquin "El Chapo" Guzman used to evade authorities.

Authorities say that a man is dead after being shot by police Wednesday evening after being pulled over in a traffic stop.

On the red carpet for Serena Williams' new documentary, 'Serena,' celebrities react to the shooting at the Pulse nightclub in Orlando.

At the premiere of her new documentary, "Serena," the usually private tennis champ explains why she decided to give people a window into her life.

Fencer Ibtihaj Muhammad tells CNNMoney why it's so important to represent Team USA at the Olympics in Rio, and how she's funding her journey.

D.L. Hughley discusses police shootings and how they affect his family in the aftermath of two fatal shootings in Minnesota and Baton Rouge.

Republican National Committee member Randy Evans tells CNN that Donald Trump understands the importance of picking the right person as his running mate.