Thursday, February 11, 2010

Will Roses Smell Sweeter in a Warming World?

by Jennifer Hattam, Istanbul, Turkey

"That which we call a rose by any other name would smell as sweet," Shakespeare famously wrote. And the flowers sweethearts buy for future Valentine's Day gifts may smell even more fragrant, some new research suggests. But that's not necessarily a good thing.

According to the heads of a recent research review, "the world may already be becoming more fragrant, as plants have already begun emitting more smelly chemicals" known as biogenic volatile organic compounds (BVOCs), the BBC's Earth News service reports. Higher temperatures not only cause plants to produce more BVOCs, they also often lengthen their growing seasons, prolonging the period over which they generate the fragrant compounds.

.........more story at