Scientists now know why coffee rings have dark, well-defined edges, as seen in the image above. The research finding may have implications on the development of inks and paints.
Tom T. Hall (third from left) poses with some of the collaborators who helped remake Songs of Fox Hollow, including co-producers Eric Brace (third from right) and Peter Cooper (second from right).
Courtesy of the artist
A Libyan rebel prays with his weapons in the coastal town of Zawiya, 30 miles west of Tripoli, on Tuesday. The rebels have entered many parts of the town, but Moammar Gadhafi's forces are battling to prevent a full rebel takeover.
White pox disease on a frond of the endangered elkhorn coral on Carysfort Reef in the Florida Keys. The bacteria are overlying the coral tissue, exposing the coral's white limestone skeleton underneath.
James W. Porter/University of Georgia
The stage that collapsed under high winds at the Indiana Stage Fair on August 13 killed five people and injured more than 40. The disaster has prompted inquiries into who is responsible for the integrity of temporary stages.
Joey Foley/Getty Images