Corals around the world have been dying because of warming waters and pollution. Some researchers hope they can reverse the trend by growing new corals in the lab.
Albert Kok/Wikimedia Commons
Children's faces line the wall of Soulumination in Seattle. The non-profit is a collection of photographers who volunteer their time to document families with children who are stillborn or terminally ill.
Jeff Emtman for NPR
A midas fly touches down on the sands of the desert in the United Arab Emirates. A lake in the area has brought new forms of wildlife, but some scientists are concerned it could harm the habitat of the midas fly.
Guy Narbonne, a paleontologist at Queen's University in Ontario, inspects a fossil at the Mistaken Point Ecological Reserve in Newfoundland. It is filled with half-a-billion-year-old treasures like this one.
A worker installs a solar panel on the roof of a house in Santa Cruz de Tenerife in the Spanish Canary Island of Tenerife in March 2011. The country's solar sector intends to double its contribution to the national grid by 2020, after an earlier government attempt at boosting the industry failed.
Santiago Ferrero/Reuters /Landov