California's iconic trees, the giant sequoias, may sail through the state's current extreme drought. The huge trees survived even drier conditions during their long lives, studies show. The oldest sequoias live for more than 3,000 years.
In some parts of the world, the buzzing buggers transmit serious diseases; according to the Centers for Disease Control and Prevention, more than 2,300 cases of West Nile virus were reported in 48 states in 2013.
Dec 5, 2012; 5:00 AM ET
Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.