Beyoncé performs at the Grammy Awards in Los Angeles on Feb. 12. "Instead of me telling someone how good I look, I can just send them a picture of Beyoncé in a queen's outfit," Youth Radio's Robert Fisher says. Lucy Nicholson/Reuters hide caption

An Egyptian fruit bat flies in an abandoned quarry near the village of Mammari, Cyprus, in 2007. Alex Mita/AFP/Getty Images hide caption

Guglielmo Giovanni Maria Marconi, Italian physicist and inventor, with one of his first wireless telegraphs. A. DeGregorio/Getty Images/DeAgostini hide caption

Nat Batchelder and his mother, Susan Senator, in Foxborough, Mass. Courtesy of Ned Batchelder hide caption

Switchtracking, as defined by author Sheila Heen, is when "someone gives you feedback, and your reaction to that feedback changes the subject." Hanna Barczyk for NPR hide caption

Male treehoppers make their abdomens thrum like tuning forks to transmit very particular vibrating signals that travel down their legs and along leaf stems to other bugs — male and female. Courtesy of Robert Oelman hide caption

Humpback whales and tanker in Stellwagen Bank National Marine Sanctuary in Massachusetts Bay. Green Fire Productions/Flickr hide caption

Humpback whale and calf, off the Revillagigedo Islands, Mexico. Reinhard Dirscherl/Look-foto/Corbis hide caption

Patients with certain kinds of brain damage can wind up with locked-in syndrome: they may be able to think just fine, but are unable to communicate their thoughts to others. A recently published case study shows that a non-invasive brain-computer interface can help. iStockphoto hide caption

One set of knuckles meets another. Both are equal in this greeting that expresses approval and triumph. Meredith Rizzo/NPR hide caption

Would time spent with Anton Chekov, famed for his subtle, flawed characters, make you a better judge of human nature? Hulton Archive/Getty Images hide caption