Visual Illusions: Why You See Things That Aren't There

A 1990 interview with Nelson after his release from prison. Originally broadcast on the MacNeil/Lehrer News hour on February 16, 1990.

When a parent is sent to prison, the unintended victims of their crimes are their own children -- without stability and support, kids are at higher risk for mental health and development issues. In a heartfelt talk, Alan Crickmore...

Investigative journalist Will Potter is the only reporter who has been inside a Communications Management unit, or CMu, within a uS prison. These units were opened secretly, and radically alter how prisoners are treated -- even...

The ten women in this chorus have all been sentenced to life in prison. They share a moving song about their experiences — one that reveals their hopes, regrets and fears. "I'm not an angel," sings one, "but I'm not the devil." Filmed at...

Kiran Bedi has a surprising resume. Before becoming Director General of the Indian Police Service, she managed one of the country's toughest prisons -- and used a new focus on prevention and education to turn it into a center of learning...

The constant thud underneath your feet. The constrained space. The monotony of going nowhere fast. Running on a treadmill can certainly feel like torture, but did you know it was originally used for that very purpose? Conor Heffernan...

You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not...

In March 2009, North Korean soldiers captured journalist Euna Lee and her colleague Laura Ling while they were shooting a documentary on the border with China. The courts sentenced them to 12 years of hard labor, but American diplomats...

Kurt Vonnegut found the tidy, satisfying arcs of many stories at odds with reality, and he set out to explore the ambiguity between good and bad fortune in his own novels. He tried to make sense of human behavior by studying the shapes...

What's the deal with all those little flashes of light you see when you close your eyes? And why do truck drivers and people in jail see glowing circles and spirals?

One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it? Alex Gendler walks us through this green-eyed...

Twenty four hundred years ago, Plato, one of history's most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid, what exactly did he mean? Alex...

Father of girl sexually assaulted by Epping migrant says government has failed them 'relentlessly'Credit: ITV News

Howcast - Check out this Captain America: Super Soldier walkthrough and beat chapter eleven with this online demo.

Howcast - Catch up with an old neighbor in Silent Hill: Downpour, the survival horror game from Vatra Games.

If meeting new friends in bars is not working out, then follow these tips to find one behind bars.

Howcast -Begin your adventure in Skyrim with this online demo of the role-playing game from Bethesda.

Howcast -Check out Part 3 and see how to get "Unbound" in Skyrim with this online demo.

Howcast - Check out this Skyrim walkthrough. Part 1: Introduction.

Should two suspects, held in separate cells, accuse the other of the crime to secure their own freedom? And why a similar situation led to a vital equilibrium in the Cold War nuclear arms race. Maths - Statistics And Probability A Twig...

In September 1796, Field Marshal Wurmser's Austrian forces were retreating after a disastrous defeat at Caliano. Despite being heavily outnumbered, Wurmser pushed on toward Mantua, hoping to link up with its garrison and avoid complete...

On November 3rd, the conspirators decided to proceed with their plot to blow up the English Parliament despite growing suspicions. Guy Fawkes was discovered in the cellar with gunpowder on the night of November 4th and arrested,...

This video segment portrays a pivotal moment in Shakespeare's "Julius Caesar," highlighting the final stages of the battle where Cassius has died and Brutus makes a desperate move to defeat Antony. It focuses on the loyalty of Brutus's...