News tagged with valentine

Video: Why do roses smell so sweet?

Valentine's Day is Saturday, and people will be spending billions on their sweethearts. Much of that cash will be dropped on sweet-smelling roses. But did you know that one minor chemical change would make ...

dateFeb 12, 2015 in Other
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Probing Question: How did Valentine's Day start?

Never mind the 160 million greeting cards that will be purchased for Valentine's Day this year. Forget about the 35 million heart-shaped boxes of chocolates that will pass from giver to recipient. Long before ...

dateFeb 14, 2011 in Other
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Roses are red, but not 'green'

For many Americans, giving your significant other a dozen sweet-smelling roses is the ultimate symbol of Valentine's Day affection, but it might not be the best expression of love for your planet.

dateFeb 11, 2011 in Environment
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