Is the idea of possession a misunderstanding of physiological and psychological conditions, or has science failed to account for unknown, legitimate factors? Learn whether exorcism and psychology are mutually exclusive in this podcast from HowStuffWorks.

The Sun blows a ferocious wind of charged particles at planet Earth, spawning colorful auroras and wreaking havoc on satellite communications. For more info... http://sciencebulletins.amnh.org

Join Storm Chasers star Sean Casey and the researchers of VORTEX 2, the most ambitious effort ever made to understand the origins and evolution of tornadoes, on this heart-pounding science adventure. Armed with a 70mm camera, a fleet of customized vehicles designed to withstand gale force winds,...

The response to humor starts with electrical activity, potentially translating to physical responses that make up laughter. Science still can’t pin down what makes one thing amusing and another not (which is pretty funny). Tune in to learn more.

Things are getting a little hot and spicy in this episode of Food Science!

The Hits Of Randy Travis - I Told You So This is the 1st track from the album The Hits Of Randy Travis. Released: 2009 Genre: Country "MMO Group, Inc."

A Bouquet Of Standards - I Could Have Told You This is the 14th track from the album A Bouquet Of Standards. Released: 2009 Genre: Vocal "MMO Group, Inc."

The Hits Of Randy Travis - I Told You So This is the 11th track from the album The Hits Of Randy Travis. Released: 2009 Genre: Country "MMO Group, Inc."

A Bouquet Of Standards - I Could Have Told You This is the 4th track from the album A Bouquet Of Standards. Released: 2009 Genre: Vocal "MMO Group, Inc."

Studies have shown that prayer has a positive effect on individuals, but can your prayer heal someone else? Check out this HowStuffWorks podcast to find out how science weighs in on the power of intercessory prayer -- and if it should at all.