Science says plastic bag bans really do work

When you outlaw or discourage the sale of plastic bags, fewer of them end up as litter on beaches.  That’s the intuitive finding of a paper published Thursday in the journal Science, which involved an analysis of policies to restrict plastic bag use across the United States. The study authors...

From sea monkeys to Great Salt Lake gold

The shoreline of Utah’s Great Salt Lake frames an otherworldly body of water, from pastel pink to deep marine blue. In the fall, its surface transforms with slicks of gold—made from millions of brine-shrimp eggs called cysts. These tiny golden specks play a critical role in both the local ecosystem...