Veronique LaCapra

There's no barrier between the underground chemical reaction and nearby radioactive waste. Federal, state and local officials disagree about the danger it poses; residents are confused and concerned.

Many Americans now have access to a commingled recycling system, which lets users mix plastic, glass, paper and metal together in one bin. It's much easier, but not nearly as efficient.

And you thought cemeteries were for the dead. A nighttime census of leafy Bellefontaine in St. Louis reveals at least two species of bats. Parklike graveyards provide key habitat for urban wildlife.

It's almost spring, and for many animals, warmer weather means it's time to find a mate. If you're a bird, finding that mate means a new clutch of eggs won't be far behind.

But keeping those eggs safe until they hatch can be a challenge, especially if you're a Japanese ...