But on a high friction surface like clay, the ball will grip more and change the trajectory of the ball quite significantly.

BBC: SPORT | Tennis | Rules and Equipment | On the rebound

Whereas the Republican majority in the Senate is unlikely to change significantly, the party's grip on the House is shaky.

ECONOMIST: If in doubt, spend

Change the feel of each camera to suit your preferences with a detachable grip included with the Olympus E-PL5, and the Olympus E-PM2 grip is built-in.

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)