1. We wrongly stated that the World Health Organization recommended in September 2008 that the electronic cigarette be banned (14 February, p 33). The WHO in fact stated that it did not consider the electronic cigarette to be a legitimate therapy for smokers trying to quit.rn2. We said that in 1709 "from Czechoslovakia in the east... everything turned to ice" (7 February, p 46). No such country existed in 1709. It was founded in 1918 and split into the Czech Republic and Slovakia in 1993.rn3. Our picture of the starfish Luidia sarsi was upside down (24 January, p 36).
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