To stop California’s 6 million urban trees from knocking out power lines, crashing through houses, or lying across streets when they die, humans have to...
If you overlook the polluted Seine, Paris looks so pretty on TV, so quintessentially Parisian, that it raises the question: How will Los Angeles compare...
At the La Brea Tar Pits and Museum, Jessie George and other paleobotanists — the folks who study ancient plants the way paleontologists study prehistoric...