Industry guidelines say patients should have a two-week cooling off period after booking procedures and they ban the use of time-limited financial inducements.

BBC: RELATED BBC SITES

They can carry five to 20 times more current in the same unit area while reducing the amount of energy lost as heat by 75-97% (depending on whether the current is alternating or direct), even after accounting for all the nitrogen-cooling paraphernalia.

ECONOMIST: Inside story

Three of the six reactors melted down after the tsunami and 9.0-magnitude quake wrecked cooling systems.

BBC: Japan PM Naoto Kan announces resignation amid criticism

After the Olympic "warm-up", were things cooling down, I asked?

BBC: The media and the Olympic Games

For example, significant cooling and strong dynamical effects after the Laki event and other high-latitude eruptions are believed to have caused decreased flow of the Nile River in Egypt and weakened African and Asian monsoons based on climate model simulations, with potentially very significant impacts on food and water supplies.

CNN: How volcanoes can change the world

Power has been restored to part of the cooling system at Japan's tsunami-hit Fukushima nuclear plant, after it failed for the second time in a month.

BBC: Fukushima nuclear plant: Cooling system power restored

On site, the workers in its number one reactor appear not to have been familiar with an emergency-cooling system called an isolation condenser, which they wrongly thought was still working after the tsunami.

ECONOMIST: Banyan

After the amendment, food such as sausage rolls or pasties sold on shelves - that is, cooling down, rather than being kept hot in a special cabinet - will not be liable for VAT.

BBC: Pasty tax: U-turn 'a shambles' says Labour

The six-reactor Fukushima Daiichi nuclear plant was badly damaged after the 11 March 2011 earthquake and tsunami knocked out cooling systems to reactors, leading to meltdowns and the release of radioactivity.

BBC: Japan panel: Fukushima nuclear disaster 'man-made'