Dr. Michael Smith, director of the Behavioral Sleep Medicine Program at John Hopkins University, explores the causes of sleep problems in today's hectic society.
Dr. Michael Smith, director of the Behavioral Sleep Medicine Program at John Hopkins University, examines the impact of sleep deprivation on physical and mental health.
Nuala O'Connor, Internet and technology expert, warns of the impact targeted digital advertising can have on people's decisions.
Lee Rainie, director of Internet science and technology research at the Pew Research Center, compares the ways chimps and humans build communities to how social networking surpassed traditional media to set the news agenda of the day.
Envisioning a future where machine communication influences every aspect of people's lives.
Fathali Moghaddam, professor of psychology at Georgetown University, examines the behaviors that unite and divide friends and couples.
Fathali Moghaddam, professor of psychology at Georgetown University, contrasts the belief that all people are essentially the same with distinctions made due to racial or ethnic groups.
Fathali Moghaddam, professor of psychology at Georgetown University, sees the rise of women leaders as the key to building peaceful societies.
Evolutionary psychologist Nancy Etcoff explores the impact anxiety can have on happiness.
Evolutionary psychologist Nancy Etcoff examines whether money can buy happiness.
David McCullough points out how there were no guarantees that the American Revolution would succeed.
David McCullough details how he loves the detective hunt of uncovering people from the past and how there is no better way to get to know someone than to read their mail.
Bran Ferren, design and technology innovator, proposes melding science and art as a natural option to lead a wholesome life.
Frances Jensen, neurologist and author of "The Teenage Brain," investigates whether adolescents are better at multitasking than adults.
Frances Jensen, neurologist and author of "The Teenage Brain," offers a revolutionary explanation for risky behavior in adolescents.
Dr. Rudy Tanzi, neurologist and co-discoverer of the Alzheimer's gene, shares how traumatic brain injuries could lead to Alzheimer's disease or dementia.
Dr. Rudy Tanzi, neurologist and co-discoverer of the Alzheimer's gene, shows how to reduce the risks of contracting Alzheimer's disease.
Evolutionary psychologist Nancy Etcoff explores whether there will ever be a true "cure" for depression.
Dr. Rudy Tanzi, neurologist and co-discoverer of the Alzheimer's gene, relates the extent of the population affected by Alzheimer's disease.
Frances Jensen, neurologist and author of "The Teenage Brain," explains why everyone should be prepared for the possible onset of epilepsy at some point in life.
Lowell Observatory astronomer Nick Moskovitz surveys the number of stars and planets believed to exist in the universe.
Severe weather expert Jeff Halverson explores why the USA is such a hotbed for tornadoes.