A powerful storm with potentially record-breaking rain and dangerous mudslides is slamming Southern California. The National Weather Service says the atmospheric river will bring gusty winds, potential flooding and up to six inches of rain to the region. | CBS News

Heavy lake-effect snow led to traffic trouble and dangerous driving conditions in the Chicago area, including a fiery crash after the vehicle slid off the highway. | AccuWeather

How does lead exposure affect your body and brain? And if it’s really that dangerous, how did it get into so many products? Dig into the history of this toxic element: | TED-Ed

Both of these snakes have lethal venom, but which one is more dangerous?? | Coyote Peterson