Peanut and tree nut allergies plague an estimated 19 million kids and adults in the U.S., and the number of children with peanut allergies in the U.S. has nearly doubled in just over a decade.
A young Chinook salmon, called a smolt, near Vallejo, Calif., on April 24, 2014. North Coast tribes and environmentalists fear that the smolts and Chinooks may not survive this year's low river flows and warm water.
Elephants, unlike humans or civets, are herbivores. The fermentation happening in their gut as they break down cellulose helps remove the bitterness in the coffee beans. Here, an elephant receives medical treatment from the Golden Triangle Asian Elephant Foundation.