Love endures, but Valentine's Day roses are another story

Each Valentine's Day, sweethearts search for the perfect gift to represent their enduring affection. Shouldering the burden of embodying all this emotion is a delicate, finite bloom -- the rose. Ironically, this ages-old symbol of undying love has a limited lifespan. But Penn State researchers know how to help the rose cheat its inevitable demise -- at least for a few days.

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<p><a href="http://www.physorg.com/news10734.html">Love endures, but Valentine's Day roses are another story</a></p> <p>Each Valentine's Day, sweethearts search for the perfect gift to represent their enduring affection. Shouldering the burden of embodying all this emotion is a delicate, finite bloom -- the rose. Ironically, this ages-old symbol of undying love has a limited lifespan. But Penn State researchers know how to help the rose cheat its inevitable demise -- at least for a few days.</p>