An unidentified substance has killed or injured hundreds of birds so far.
Cleared and stained skeletons are strikingly beautiful. But not many people outside the lab would ever know it—until now. "Cleared" is an exhibit of stained fish skeletons currently on display at the Seattle Aquarium, prepared and photographed by Adam P. Summers. Recently, Summers and his colleagues used a cleared and stained manta ray to discover how these curiously flat fish filter food out of the water.