London, April 17 : Researchers studying ultra-cold atoms have made a clock that takes 300 million years to lose just one second.

The atomic clock, which is twice as accurate as any similar device made previously, may believably turn out to be useful for measuring distances to far away galaxies, or for tracking tiny movements in the Earth''s crust that may give a warning of earthquakes.

Its makers have revealed that the clock consists of gas atoms trapped in a magnetic field and cooled almost to absolute zero, or minus 273 Celsius, the coldest temperature permitted by the laws of physics.

London, Apr 17 : Twitter enthusiasts who spend hours on the trendy social networking could be struck with painful muscle problems, warn experts.

Physiotherapists and Repetitive Strain Injury (RSI) sufferers have advised Twitter users to moderate their time on the site - or risk it ruining their health.

Twitter's nature implies users are encouraged to update their activities more frequently than other sites, like Facebook or MySpace.

London  - Queen Elizabeth II enjoys greater trust than any other public figure or politician in Britain, according to a survey published Friday.

The monarch, on the throne since 1952, is believed to keep her word by 53 per cent of the British public.

She comes far ahead of her son, the heir to the throne Prince Charles, who is trusted by only 31 per cent of the public.

Among musicians, Bob Geldof - organiser of the Live Aid and G8 campaigns for Africa - comes top, with 26 per cent trust.

London - The British government said Thursday it will offer cash incentives to motorists who buy electric cars.

Under measures due to come into force in 2011 drivers will receive a subsidy of between 2,000 to 5,000 pounds (7,500 dollars) if they switch to electric vehicles.

The green scheme, expected to cost 250 million pounds, is designed to help the environment and inject life into Britain's struggling car industry.

Electric cars will soon be a "real option" for motorists, Transport Minister Geoff Hoon said in announcing the plans.

Woking, Britain  - Ron Dennis quit Formula One racing for good after 28 years on Thursday when he left his post of McLaren Racing CEO for the executive position in the company's automotive division.

Dennis, 61, had earlier this year resigned as team principal of the McLaren-Mercedes F1 team. The new team boss Martin Whitmarsh was also named Mclaren Racing leader on Thursday.

London, April 16 : Selfridges has launched the sale of a 2,000-pound bikini, which is encrusted with more than 5,000 brightly coloured Swarovski Austrian crystals.

Dubbed the ''bling-kini'', the lavish swimming costume rings in at an eye-watering 100 pounds per square centimetre.

The skimpy two piece ties at the neck and is joined from the bust to its base by beaded gold rope.