The grills of summer

We've had at least one nice day so far this spring, and based on previous years (although, of course, as they say about RRSPs, past performance is no guarantee of future results) we may get at least one more before first frost this fall, so there's just a possibility a few people may break out their barbecues for some outdoor cooking in the near future.

In the U.S., the Memorial Day weekend at the end of May is seen as prime barbecuing time, which is probably why LiveScience, one of the...