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1 .This is Scientific American's 60-Second Science. I'm Chris Crockett. Got a minute?
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2 .There are two kinds of people in the world.
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3 .Those who can smell the roses and those who can't.
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4 .Our ability to smell certain odors appears to be hardwired genetically.
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5 .Researchers conducted blind smell tests.
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6 .They then compared the results with participants' DNA.
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7 .Detection of four odors—emanating from apples, blue cheese, malt and flowers could be linked to DNA variations.
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8 .The studies are in the journal Current Biology.
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9 .A rose-related odor, due to the compound beta-ionone, was described by people with one version of a specific gene as "floral" and "aromatic".
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10 .But those with a different variation of the gene said things like "vinegar" and "sour".
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11 .It seems our genes change how we experience the world.
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12 .That's important to know if you're designing soap and want to add a dash of beta-ionone for a fresh floral scent, some consumers may find it disgusting.
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13 .Remember that the next time someone finds your homemade apple pie revolting.
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14 .The fault may lie not in your cooking but in their nose.
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15 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Chris Crockett.
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