In a culture where being social and outgoing are celebrated, it can be difficult to be an introvert. Susan Cain argues introverts bring extraordinary talents to the world, and should be celebrated.
For almost three decades, John Francis has been a planetwalker, traveling the globe by foot and sail with a silent message of environmental responsibility. For 17 years he didn't speak a word.
Doctors in the U.S. don't have to tell patients about conflicts of interest. When physician Leana Wen asked her fellow doctors to open up, the reaction she got was frightening.
Chef Dan Barber tackles a dilemma facing many chefs today: how to keep fish on the menu. He chronicles his search for a fish that would please both diners and environmentalists.
Humans have been looking for the giant squid for decades. Oceanographer Edith Widder shares how innovative technology helped her capture the squid on video for the first time.
Will we find ET in the next 25 years? Seth Shostak, senior astronomer at SETI, says yes. He explains that new technologies and the laws of probability make the breakthrough likely.
NPR's Robert Siegel speaks to Elizabeth Loftus, professor of psychology at the University of California, Irvine, about inventing memories. False reports Monday said a man was shot by Baltimore police.
Christopher Ryan says that human beings are sexual omnivores and hopes that a better understanding of sexual fidelity may end discrimination, shame and unrealistic expectations.