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Feedback: Beware of dangerous signs

20 February 2013

New Scientist. 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)

Feedback: Beware of dangerous signs

(Image: Paul McDevitt)

Beware of dangerous signs

“CAUTION”, reads the sign that Sofia Graves photographed at an information office in Pincher Creek, a small town in Alberta, Canada. “This sign has sharp edges. Do not touch the edges of this sign.” Sofia remarks that she has seen “many pointless and contradictory signs – but none whose existence created danger”.

Investigating, we find that the interwebs are awash with photos of another sign bearing these same words, with the addition of a second phrase, in small type: “Also, the bridge is out ahead.”

So can we thank a highway…

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