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A t-storm in the afternoon
of sunlight, then sets at
of moolight, then sets at
Yellowstone National Park's Firehole Lake Drive was closed Thursday, July 10, as portions of the roadway's asphalt melted amid the summer's recent heat wave in the Northwest. more >
Jun 23, 2014; 5:00 AM ET
Marja Martinez talks about identifying and fighting the common cold.