Videographic explaining how different tennis court surfaces can affect game play.
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Videographic illustrating the route of the daunting Route du Rhum yacht race. The skippers set off on Sunday.
Videographic illustrating the flag of the United Kingdom in the wake of the British referendum to leave the European Union.
Videographic on the Voyager mission. NASA says Voyager 2 has passed into interstellar space.
Videographic locating a huge meteorite crater discovered in Greenland. The crater is the first of its kind ever found there — or […]