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
A diagram depicting how the Unicode Consortium could create a more diverse array of ethnic emoji. Unicode Consortium hide caption
Go Big Green! Dartmouth is testing the VGo robot to help diagnose concussions when neurologists aren't at the game. Mark Washburn/Courtesy of Dartmouth-Hitchcock hide caption
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
Participants in an ethical hacking contest at a Swiss security conference in Geneva in March. So-called bug bounty programs are becoming very popular in Silicon Valley's high-tech sector. Salvatore Di Nolfi/EPA/Landov hide caption
Next year, emoji characters will reflect a wider diversity of races. Unicode Consortium hide caption
Hotspots show where the common cold is popping up across the U.S. via Sickweather hide caption
A stats board displayed at the Domino's flagship store in Grand Rapids, Mich. Emily Fox/Michigan Public Radio hide caption
China's WeChat messaging app has a huge audience that allows Chinese to organize online. Petar Kujundzic/Reuters/Landov hide caption
Benedict Cumberbatch, right, and Martin Freeman star as Sherlock Holmes and John Watson on the BBC's crime drama Sherlock. Robert Viglasky/© Hartswood Films hide caption
Army researchers will try to find ways to 3-D print nutritious food with less heavy packaging than the current military meals. Aarti Shahani/NPR hide caption
Megan Smith is the new U.S. chief technology officer. Ariel Zambelich/NPR hide caption
Tom Magliozzi's laugh boomed in NPR listeners' ears every week as he and his brother, Ray, bantered on Car Talk. Courtesy of Car Talk hide caption
Alexis Madrigal suggests you turn on the two-step verification on any site that has it. iStock hide caption
Laney Barroll Stark, of Savannah, Ga., took a picture with her cell phone as Rep. Jack Kingston, who ran for the Republican nomination for U.S. Senate in Georgia, addressed supporters at his primary runoff election night party in July. David Goldman/AP hide caption
Strontium atoms floating in the center of this photo are the heart of the world's most precise clock. The clock is so exact that it can detect tiny shifts in the flow of time itself. Courtesy of the Ye group and Brad Baxley/JILA hide caption
Wreckage lies near the site where a Virgin Galactic SpaceShipTwo, crashed in Mojave, Calif., on Friday. Ringo H.W. Chiu/AP hide caption
Although Apple CEO Tim Cook's sexual orientation wasn't public, it has been something of an open secret in business and technology circles. Michael Graae/Getty Images hide caption
Modern Farmer has a particular fondness for stories about anything having to do with goats. Courtesy of Modern Farmer hide caption
Thousands of participants march across the Elisabeth bridge during a rally against the government's plan to tax Internet usage. Attila Kisbenedek /AFP/Getty Images hide caption