National

Educator and poet Jamila Lyiscott is a "tri-tongued orator." She unpacks the three distinct flavors of English she speaks with her friends, family, and colleagues.

For almost three decades, John Francis has been a planetwalker, traveling the globe by foot and sail with a silent message of environmental respect. For 17 of those years he didn't speak a word.

Pico Iyer says sitting still and reflecting is hard work, but we bring so much more to our experiences and relationships when we make time to think.

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.

Speaking in Las Vegas, she said it was time to provide a path to citizenship for immigrants in the country illegally and that she could go "even further" than Obama's controversial executive actions.

With a sleek surface and a depth of only about 7 inches, the Powerwall can be mounted on a garage wall or another surface, indoors or outside.

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.

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.