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“It is not the cleverest thing in the world to be trying to heat up the outdoors.”

Irish Green Party politician Eamon Ryan on booming sales of patio heaters, following Ireland’s ban on smoking in pubs and restaurants (Irish Independent, 1 June)

“You wouldn’t want to let a mouse loose on an aeroplane to go sniffing for anything, but in the right circumstances and with the right controls it could be extremely useful.”

Len Kaczmarek of Yale School of Medicine. A strain of mice with super-sensitive smell accidentally created in his lab are being trained as “sniffer mice” (The…

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