In past centuries, you might have given your valentine a bent coin, jewelry made out of hair, or a carved whale tooth instead ...

The chain makes serious money from giving out the samples, as it encourages impulse buying and reciprocity from grateful customers. While the free samples are a great way to try an item before buying ...

In a dark coincidence, the researchers point to California's current catastrophe as a timely example of their recently published findings. "In that publication, fairly incredibly, we use the example ...