It starts as a fifties war-of-the-worlds pastiche: an alien life-form arrives in a meteor and quickly mutates, threatening to destroy Arizona as we know it.

NEWYORKER: Evolution

They can then deliver vital care until the ambulance arrives, which can be the difference between life and death.

BBC: Life Savers logo

The US has about 60, 000 people over 100 and this is expected to quadruple as general life expectancy rises and the "baby boomer" generation arrives at extreme old age.

BBC: Centenarians 'depression prone'

Meat arrives fresh and has a two week fridge shelf life.

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The period before fame arrives is the time when most artists collect the raw life stuff that will form the core of their work.

NPR: Bob Marley's Music and Magic Endure

Among my favourite parts of the book is Mr Mehta's early life in London in the swinging sixties as a callow young man, who arrives from India with a few shillings and bags of Indian tea.

BBC: Vinod Mehta memoir a rare and salacious Indian tell-all