After allegations of child sexual assault at Penn State, many wonder why more people didn't see warning signs. Former FBI profiler Mary Ellen O'Toole says many predators spend years grooming victims and parents and gaining their trust. O'Toole and forensic psychiatrist Dr. Harold Burszatajn explain.
This is TALK OF THE NATION. I'm Neal Conan in Washington. After a U.N. report earlier this month bolstered the case that Iran continues work on nuclear weapons, the U.S., Britain and Canada announced new sanctions today. But there's no indication that these or any other sanctions will change Iran's determination, which leaves a range of bad options.
A video showing an officer methodically spraying pepper spray in the faces of seated protesters has created an uproar. While some say the incident represents a wider problem with the way police confront protesters, Santa Clara University professor Marc Bousquet argues that misses the point.
For years, a theory has held that Earth's large moon played a critical role in stabilizing the planet's tilt, damping down differences between the seasons. Now, astronomer Jason Barnes says that life on our planet would endure even without a moon, a finding that might increase the number of potentially habitable planets in our galaxy.
Seven solar companies have filed a trade complaint with the federal government, accusing China of dumping artificially cheap solar panels on the US market. But solar installers welcome the low prices. Ira Flatow and guests discuss what's best for the domestic solar industry--and US jobs--in the long run.
Reporting in Proceedings of the National Academy of Sciences, researchers write that complete strangers are capable of spotting individuals with a genetic predisposition to empathy and sociable behavior. Author Sarina Saturn discusses the study, and how sociability has evolved across cultures.
Citing "capital scarcity" the Geron Corporation said it will abandon its research into using human embryonic stem cells to treat spinal cord injuries. Stem cell expert Leonard Zon discusses the announcement and what it means for the future of embryonic stem cell research.
Toilets, as most of us know them, haven't changed much since the 1800s--they use a lot of water, and require an infrastructure that many communities can't afford. Ira Flatow and guests look at the problem of access to sanitation, and how engineers are making toilets better.
With the Macy's Thanksgiving Day Parade less than a week away, it's crunch time for the balloon technicians. Science Friday goes behind the scenes at Macy's design studio to find out about the final preparations for the parade.
Since Cirque du Soleil was founded in 1984, it has grown from a troupe of street performers in Montreal to a billion-dollar entertainment industry with over 5,000 employees from over 40 countries. Quidam is one of the company's 22 shows. It's the story of a girl searching for the meaning of life.