December 6, 2013; 9:13 PM ET
A storm coming later in the day on Sunday has the potential to bring snow and travel problems to the New York City area. more >
Snow tomorrow evening will accumulate less than an inch before changing to rain
The sheer number of people, their interactions with animals and ecosystems, and the increase in international trade and travel are all factors that will likely change the way humanity deals with preventing and treating epidemics, experts say.