Or Barclays Wealth, which has seen its annual meeting at Lake Como dished up in the newspapers with the type of venom usually reserved for celebrity kiss-and-tells.

ECONOMIST: Business travel

But in Mono Lake in California, Wolfe-Simon and her colleagues had found a type of bacteria, GFAJ-1, that seemed to have replaced phosphorus with arsenic.

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In the lake, however, there is the risk of bilharzia, an infection by a type of parasitic worm, so travellers who choose to swim or dive there often stock up on the treatment, Praziquantel tablets.

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