The antidepressant Prozac selectively targets the chemical serotonin. Paul S. Howell/Getty Images hide caption

toggle caption Paul S. Howell/Getty Images
When It Comes To Depression, Serotonin Isn't The Whole Story
  • Download
  • <iframe src="https://www.npr.org/player/embed/145525853/145627739" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

U.S. soldiers at Long Binh base, northeast of Saigon, line up to give urine samples at a heroin detection center in June 1971, before departing for the U.S. AP hide caption

toggle caption AP
What Vietnam Taught Us About Breaking Bad Habits
  • Download
  • <iframe src="https://www.npr.org/player/embed/144431794/144570176" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Indian firefighters attempt to put out a fire as smoke billows out of the historic Taj Mahal Hotel in Mumbai, which was stormed by armed gunmen in November 2008. Indranil Mukherjee/AFP/Getty Images hide caption

toggle caption Indranil Mukherjee/AFP/Getty Images
Heroes Of The Taj Hotel: Why They Risked Their Lives
  • Download
  • <iframe src="https://www.npr.org/player/embed/144184623/144197420" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

New research suggests that people who are more creative are more likely to cheat. iStockphoto.com hide caption

toggle caption iStockphoto.com
For Creative People, Cheating Comes More Easily
  • Download
  • <iframe src="https://www.npr.org/player/embed/143146037/143150474" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Why Do We Give? Not Why Or How You Think
  • Download
  • <iframe src="https://www.npr.org/player/embed/142780599/142780655" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A gun turret on the sunken Australian warship HMAS Sydney. All 645 people aboard the Sydney died. AP hide caption

toggle caption AP
How Psychology Solved A WWII Shipwreck Mystery
  • Download
  • <iframe src="https://www.npr.org/player/embed/140816037/140834525" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Kate Frego pins the turban of her mother, Aida Essenburg. Before Essenburg died in July of this year, she sat down with a dignity therapist to record the history of her life in what became a 50-page document. Courtesy of Kate Frego hide caption

toggle caption Courtesy of Kate Frego
For The Dying, A Chance To Rewrite Life
  • Download
  • <iframe src="https://www.npr.org/player/embed/140336146/140390460" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A boom sweeps around a tank at a sewage treatment plant in Coos Bay, Ore. Even though sewage water can be treated and cleaned, psychologists say getting the "cognitive sewage" out of the water is much more difficult. Jeff Barnard/AP hide caption

toggle caption Jeff Barnard/AP
Why Cleaned Wastewater Stays Dirty In Our Minds
  • Download
  • <iframe src="https://www.npr.org/player/embed/139642271/139666544" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Can Therapy Help Change Sexual Orientation?
  • Download
  • <iframe src="https://www.npr.org/player/embed/138820526/138792997" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Using revamped photo lineup procedures, a Dallas police officer shows a victim of a robbery a single photo of a suspect in an interview room at police headquarters in 2009. Dallas officially adopted lineup reforms two years ago, and last month the state of Texas said all police departments must review lineup procedures. LM Otero/AP hide caption

toggle caption LM Otero/AP
To Prevent False IDs, Police Lineups Get Revamped
  • Download
  • <iframe src="https://www.npr.org/player/embed/137652142/137656136" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Union College psychology professor Chris Chabris and his students staged an outdoor fight to study inattentional blindness. Matt Milless/Union College hide caption

toggle caption Matt Milless/Union College
Why Seeing (The Unexpected) Is Often Not Believing
  • Download
  • <iframe src="https://www.npr.org/player/embed/137086464/137292304" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Creator Of Psychopathy Test Worries About Its Use
  • Download
  • <iframe src="https://www.npr.org/player/embed/136723357/136723341" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Robert Dixon Sr. holds a photograph of his son, Robert Dixon Jr. (far right), his son's mentor Bob Stuart, and himself (far left). Lianne Milton for NPR hide caption

toggle caption Lianne Milton for NPR
Can A Test Really Tell Who's A Psychopath?
  • Download
  • <iframe src="https://www.npr.org/player/embed/136619689/136682733" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Joseph Corbett (center), who was convicted of killing millionaire Adolph Coors III, is led to the Jefferson County courthouse in Golden, Colo., in 1961. John F. Urwiller/AP hide caption

toggle caption John F. Urwiller/AP
Fame Through Assassination: A Secret Service Study
  • Download
  • <iframe src="https://www.npr.org/player/embed/132909487/132924308" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A mother watches a video taken of herself playing with her daughter for Bellevue Hospital's Video Interaction Project. Former hospital employee Brenda Woodford reviews the footage, offering positive feedback and areas for improvement. Courtesy of Children of Bellevue Archives hide caption

toggle caption Courtesy of Children of Bellevue Archives
Closing The Achievement Gap With Baby Talk
  • Download
  • <iframe src="https://www.npr.org/player/embed/132740565/132797709" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript