As rewards are reduced, and customers shop around for a good deal, are we seeing the death of the loyalty card?
America has a long history of televised debates. Ahead of Thursday's seven-strong debate in the UK election campaign, here's what the Brits could learn.
Testing a pregnant woman's blood for disorders in her unborn child promises 'dramatic' advances in medicine, say researchers.
US food giant Kraft is being accused by US watchdog the Commodities and Futures Commission of manipulating the price of wheat.
England boss Roy Hodgson says in-form striker Harry Kane wants to play for the Under-21s at the European Championships.
An oil rig in Mexico is engulfed in flames after fire breaks out in a pump room, killing four and forcing workers to jump into the sea.
US Senator Bob Menendez, the top Democrat on the Foreign Relations Committee, is accused of using his influence to illegally benefit his long time friend, an eye doctor from Florida.
The fast-food giant McDonald's says it will raise the pay of more than 90,000 US employees to at least $1 above the legal minimum wage.
The laptop used to store top-secret documents leaked by National Security Agency (NSA) whistleblower Edward Snowden has gone on display at the Victoria and Albert Museum in London.
Serena Williams wins the 700th match of her career to reach the Miami Open semi-finals with victory over Sabine Lisicki.
Rural areas of Wales have been used by terrorists for training, say police.
The governor of California has created the state's mandatory water reduction orders, following a historic drought.
The Iraqi government declares what it says is a "magnificent victory" over Islamic State militants in the city of Tikrit after a month-long siege.
Large quantities of plastic debris are building up in the Mediterranean Sea, say scientists.
Engineers create unpowered exoskeleton "boots" that use a spring and a ratchet to make human walking 7% more efficient.
Britain's Kell Brook wants to defend his IBF world welterweight title by the end of May in the first of two summer bouts.
Jockey Lewis Ferguson survives a spectacular fall from favourite Merrion Square at Wincanton.
Head teachers say they cannot be expected to "conduct surveillance" on young people, after warnings that more might travel to Syria during the school holidays.
Both main parties seem reluctant to rock the boat, writes Laura Kuenssberg - but will the cautious approach achieve a breakthrough?
Nine British nationals have been seized by Turkish authorities after trying to illegally enter Syria, armed forces in the country say.