"Ashley Funk looks back fondly on her days of playing in the black hills behind her Southwestern Pennsylvania house. But when she learned more about what those black hills were made of, it drove a wedge between her and her hometown."

"SANTIAGO - A ban on harvesting shellfish in Chiloé due to a severe red tide outbreak sparked a social uprising that has partially isolated thousands of local residents of the southern Chilean archipelago and revived criticism of an export model that condemns small-scale fishing communities to poverty and marginalisation."

"Experiments using lab mice show how the Zika virus travels through the bloodstream, multiplies in the placenta and invades the brain of the developing fetus, stunting growth or causing death, researchers said Wednesday."

"The Senate voted overwhelmingly Wednesday to clear a key procedural hurdle on an annual spending bill for energy and water development programs."