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Dr. Michael Smith, director of the Behavioral Sleep Medicine Program at Johns 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.
Dr. Michael Smith, director of the Behavioral Sleep Medicine Program at John Hopkins University, gives tips for overcoming insomnia and following the body's natural signals for sleep.
Nuala O'Connor, Internet and technology expert, warns of the impact targeted digital advertising can have on people's decisions.
Vint Cerf, one of the fathers of the Internet, explores its dark side.
Peter Diamandis, X Prize founder and technology entrepreneur, describes the global explosion of interconnected communication devices.
John Seely Brown, a technology and research expert, discusses the future of technology and the way society will be improved by it.
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.
Lee Rainie traces the origins of social media and how it is changing people's lives.
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.
The psychology of people with dictatorial personalities.
Dan Basta, NOAA's director of marine sanctuaries, weaves a link to the past by examining the state of the current sanctuaries.
How nanotechnology might revolutionize the weapons industry.
Andrew Sharpless, CEO of Oceana, explains bycatch and how it impacts ocean biodiversity.
James Delgado, director of the Maritime Heritage Program at NOAA, weighs the pros and cons of using robotics as a means of marine exploration.
Evolutionary psychologist Nancy Etcoff explores the impact anxiety can have on happiness.
Evolutionary psychologist Nancy Etcoff examines whether money can buy happiness.
Evolutionary psychologist Nancy Etcoff explores whether science will be able to make people happier.
John McQuaid, author of "Tasty: The Art and Science of What We Eat," marvels at how humans have become culinary thrill-seekers.
Pulitzer prize-winning historian David McCullough describes how a love of childhood books, a fascination with the paintings of N.C. Wyeth, and a lively Scots-Irish family inspired his storytelling gifts.
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.
Lisa Randall, theoretical physicist and leading particle and cosmology expert, explains the role of creativity in science.
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," uncovers the truth about bizarre sleep patterns and fatigue in adolescents.
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.
Lowell Observatory astronomer Nick Moskovitz expounds on the importance of manned space missions.
Severe weather expert Jeff Halverson explores why the USA is such a hotbed for tornadoes.
Severe weather expert Jeff Halverson reveals the root cause of high death tolls and devastation from hurricanes Katrina and Sandy.