Scientists try to identify the remains of a child found at sea after the Titanic disaster, one of more than 40 victims whose bodies were recovered but never identified. One of the results later proved to be erroneous and PBS apologized.

In 1912, experienced British Royal Navy officer and explorer Robert Falcon Scott went on his, as it turned out final, expedition to reach South Pole first. Why things went so horribly wrong for him and his Terra Nova expedition?

As WWI finally ended, the world was thrown into another turmoil when 1918 influenza pandemic known as the Spanish Flu broke out and spread all over the world claiming 100 million more lives. What caused it?

Scientists investigate the Shroud of Turin, a controversial linen cloth that's said to bear the image of Jesus of Nazareth, as it was supposedly used as his death shroud after the crucifixion.