It's yam-time, also known as Thanksgiving week... when family cooks start dusting off their favorite candied yam recipes. Meanwhile, California sweetpotato growers are cooking up a way to rebrand this holiday tradition.
The world's oceans are rising. Over the past century, they're up an average of about eight inches. But the seas are rising more in some places than others. And scientists are now finding that how much sea level rises in, say, New York City, has a lot to do with exactly where the ice is melting. A warming climate is melting a lot of glaciers and ice sheets on land. That means more water rolling down into the oceans. But the oceans are not like a bathtub. The water doesn't rise uniformly. To...