Poor Phineas Gage. After a 3-foot-long rod shot through his skull, he became a deeply changed man. Discover how a 1848 railroad explosion led to a breakthrough in brain science.

Time’s up! You’ve just spent the last 24 hours counting every species of plant and animal in sight. Hard to believe you’ve found almost 2,000. Harder to believe is that you are smack dab in the middle of your local city park.

“Thump-thump” says your heart to a listening stethoscope. Everyone knows the telltale sound of a beating heart- or do they? Can a deaf cardiologist defy the odds and save babies from a killer heart condition known as blue baby syndrome?

Welcome to Iceberg Alley, where the typical berg towers 50 feet high, weighs 150,000 tons and lies right in the path of a trans-Atlantic shipping lane. Meet the guy who rounds up these masses of ice before they become titanic threats.

Is the polygraph really a mind-reader? Or is the media not telling us the truth, the whole truth, and nothing but the truth about the device known as the lie detector?