David Roberts says the Cyber-Enhanced Working Dog harness will allow humans to monitor dogs' physical and emotional states remotely, such as in search-and-rescue operations. Becky Kirkland/North Carolina State University hide caption

itoggle caption Becky Kirkland/North Carolina State University

Oil, carried here by the Trans-Alaska Pipeline, is fundamental to the state's economy. But Alaskans also face the effects of climate change in their daily lives. Al Grillo/AP hide caption

itoggle caption Al Grillo/AP

The Smithsonian's Jon Blundell scans the fossilized foot bone — the metatarsal — of the Wankel T. rex to help create a digital 3-D image of the long-dead dinosaur. Nikki Kahn/The Washington Post hide caption

itoggle caption Nikki Kahn/The Washington Post

Alicia Morant, 53, poses with her son Oriol Puig, 29, in their apartment near Barcelona's Sagrada Familia church. Both mother and son support Catalan independence from Spain, but they have different reasons for doing so. Lauren Frayer/NPR hide caption

itoggle caption Lauren Frayer/NPR

NASA's Aqua satellite captured this image of Super Typhoon Nuri after it developed an eye on Nov. 3. NASA Goddard MODIS Rapid Response Team hide caption

itoggle caption NASA Goddard MODIS Rapid Response Team

BJ Leiderman is the composer of the theme music heard on NPR's Morning Edition, Weekend Edition and Wait Wait...Don't Tell Me! Courtesy of Cole Rian: Jen Haynes & Mel Wils hide caption

itoggle caption Courtesy of Cole Rian: Jen Haynes & Mel Wils

President Obama answers questions during a news conference in the East Room of the White House, one day after Republicans seized control of the U.S. Senate and captured their biggest majority in the House in more than 60 years. Larry Downing/Reuters/Landov hide caption

itoggle caption Larry Downing/Reuters/Landov

Health workers sit at the emergency entrance of a Doctors Without Borders clinic in Monrovia. New data seem to show a decline in Ebola cases in Liberia, WHO says. Zoom Dosso/AFP/Getty Images hide caption

itoggle caption Zoom Dosso/AFP/Getty Images

Students taking part in Columbia University's Ebola design challenge demonstrated for judges how to use a special chamber for decontaminating small items. Courtesy of Columbia Engineering hide caption

itoggle caption Courtesy of Columbia Engineering

Berkeley's efforts to pass a penny-per-ounce tax on sugary drinks faced opposition with deep pockets — but it also got sizable cash infusions from some big-name donors. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Chevron Corp. supported several candidates in Richmond, Calif., where the company has been hoping to modernize a large oil refinery, seen here in 2010. None of the Chevron-backed candidates were elected. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

Marcus Lattimore retired from the NFL Wednesday, ending his hopes of returning from a knee injury to play for the San Francisco 49ers. Jason O. Watson/Getty Images hide caption

itoggle caption Jason O. Watson/Getty Images

Senate Minority Leader Mitch McConnell says he sees issues where a Republican-led Congress can work with President Obama. McConnell won re-election Tuesday, as his party took control of the Senate. Timothy D. Easley/AP hide caption

itoggle caption Timothy D. Easley/AP