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Feedback: The snorkel, demystified

11 July 2012

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

(Image: Paul McDevitt)

Swimming in booze

FEEDBACK just bought a Speedo snorkel. The instructions supplied are for the most part refreshingly sensible, advising against diving too deep, for instance, or overbreathing before going underwater. But one large-print warning puzzles. “Use only in water,” stresses Speedo.

Where else would someone use a mask and snorkel tube? Walking, driving or riding on dry land? In an ocean of methane or ethanol? Climbing a mountain or dancing? Or dining out?

Holidaying in Scotland, David Moss was bemused by a sign encouraging him to exercise the ultimate in caution: “Slow down / please drive…

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