The five major ocean gyres. A gyre in oceanography is any large system of circulating ocean currents, particularly those involved with large wind movements. Gyres are caused by the Coriolis effect; planetary vorticity along with horizontal and vertical friction, determine the circulation patterns from the wind curl (torque).
Velogames Fantasy Cycling has been providing fantasy cycling contests since 1997. The centrepiece event is the Velogames Fantasy Tour de France, which attracted almost 40,000 teams in 2015.
Live coverage of the Tour de France begins on NBC Sports Network Saturday, June 29, at 7:30 a.m. ET, and continues each night at 8 p.m. ET with the Tour Primetime show featuring a look at the dayâs most compelling action with new analysis, interviews, enhanced perspectives and updates on ongoing stories.