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1 .This is Scientific American's 60-Second Science. I'm Karen Hopkin.This'll just take a minute.
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2 .Data are the lifeblood of science.
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3 .But all those carefully recorded observations may be in danger.
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4 .Because a new study shows that data from the recent past are being lost at an alarming rate.
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5 .The journal Current Biology has the data to prove it.
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6 .Scientific studies build on research that came before.
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7 .And scientists turn to the facts and figures from previous work to aid in their own analyses or confirm that the earlier results still hold up.
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8 .But how often can they access the older data they need?
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9 .To find out, researchers selected 500 studies published between 1991 and 2011.
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10 .And they sent the authors a request for the studies' raw data.
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11 .Twenty years after publication, 80 percent of the data was unavailable.
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12 .In some cases, the authors couldn't be reached.
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13 .When they did respond, many reported that the data were simply not accessible, buried in an attic or saved on a now unreadable floppy disk.
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14 .This loss of information is an impediment to ongoing research and a waste of funding.
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15 .Perhaps scientific data should be recognized as an endangered species, and efforts made to keep data around for future generations.
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16 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.
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