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1 .This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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2 .Iconic works of art get exhibited worldwide.
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3 .But as those paintings age, they can become too fragile to withstand travel around the globe.
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4 .The paint can be visually examined to gauge its integrity.
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5 .But the only way to check the canvas had been to remove a piece destructively.
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6 .So a team of researchers in Europe devised a new method for diagnosing the health of old paintings similar to testing blood sugar without using a needle.
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7 .The scientists took samples from nearly 200 old canvases or canvas linings from the 19th and 20th centuries.
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8 .They shined infrared light on the fabric to assess the type of fibers and their relative fragility.
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9 .With those results as a reference, the scientists then scanned 12 paintings by Salvador Dalí.
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10 .Luckily, all 12 are still in stable traveling condition.
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11 .But they found that the oldest Dalís are starting to weaken.
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12 .The research is in the journal Analytical Methods.
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13 .The scientists stress that the technique has only been validated for 19th- and 20th-century canvases with no synthetic fibers.
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14 .But Dalí would have appreciated this marriage of science and art.
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15 .After all, one of his works is called Homage to Crick and Watson.
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16 .Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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