LIVE TEXT COMMENTARY (all times BST) By Sam Lyon 1430: Well that's it from me, folks, thanks for your company. I'm off to calm down after a terrific day's racing and I expect to see you all back here ...

Like it or not, Hawk-Eye is here to stay. It first hit our screens in 2001 and has been helping to unravel the mysteries of ...

Twitter is an online service for letting people know what you are up to at any time of day or night. It also allows you to keep track of what other people are doing, either by monitoring their updates ...

Being caught is the most common way of getting out. A batsman is out caught when a fielder catches the ball directly off the ...

Hurts at point of impact and usually tingling in leg. Also swelling, bruising and sometimes restricted movement.

Big racquets have bigger 'sweet spots' but are harder to control. A 'sweet spot' is the area in the middle of the strings which gives the cleanest hit. A mid-size racquet has a hitting area of about ...

What exactly is an Academy? Academies are special training schemes set up by clubs to help them develop young players. All Premiership clubs have them. Liverpool's academy opened in 2000 Other League ...

Defence chiefs in Afghanistan have hailed the first stage of an operation to secure an area of Helmand province a success. Ten soldiers were killed in Operation Panther's Claw, which was aimed at ...

Many players claim the white balls used for limited-overs games have more swing and more sting than the more traditional cherry-red ones. We did a little digging to find out more... Why were white ...

The drop kick is used in two different situations - to restart the game (either from the halfway line after a penalty goal or from the 22-metre line), or to kick for a field goal (worth three points).

Like most things in football, the offside rule is pretty simple - but there are a few situations that can make the calmest of managers blow their top. The 'active' ruling for example. Players can be ...