Leonardo da Vinci is well known for his inventions as well as his art. Leonardo da Vinci is well known for his inventions as well as his art. But new evidence shows that many of his ideas were realized long But new evidence shows that many of his ideas were realized long before he sketched them out in his notebooks - some even 1,700 years before he sketched them out in his notebooks - some even 1,700 years before. Was Leonardo a copycat? before. Was Leonardo a copycat?

Leonardo da Vinci is well known for his inventions as well as his art. Leonardo da Vinci is well known for his inventions as well as his art. But new evidence shows that many of his ideas were realized long But new evidence shows that many of his ideas were realized long before he sketched them out in his notebooks - some even 1,700 years before he sketched them out in his notebooks - some even 1,700 years before. Was Leonardo a copycat? before. Was Leonardo a copycat?

What were the last days in Pompeii like before the eruption of Mount What were the last days in Pompeii like before the eruption of Mount Vesuvius 2,000 years ago? The dazzling discovery of an intact wooden Vesuvius 2,000 years ago? The dazzling discovery of an intact wooden chariot, the only one ever found, provides new insight into the chariot, the only one ever found, provides new insight into the social classes of the ancient city. social classes of the ancient city.

What were the last days in Pompeii like before the eruption of Mount What were the last days in Pompeii like before the eruption of Mount Vesuvius 2,000 years ago? The dazzling discovery of an intact wooden Vesuvius 2,000 years ago? The dazzling discovery of an intact wooden chariot, the only one ever found, provides new insight into the chariot, the only one ever found, provides new insight into the social classes of the ancient city. social classes of the ancient city.

Is history repeating Itself? Follow an in-depth investigation into Is history repeating Itself? Follow an in-depth investigation into the real causes of the decline of the Roman Empire, three deadly the real causes of the decline of the Roman Empire, three deadly epidemics and climate change could have caused its collapse-drawing epidemics and climate change could have caused its collapse-drawing frightening parallels to today. frightening parallels to today.

Is history repeating Itself? Follow an in-depth investigation into Is history repeating Itself? Follow an in-depth investigation into the real causes of the decline of the Roman Empire, three deadly the real causes of the decline of the Roman Empire, three deadly epidemics and climate change could have caused its collapse-drawing epidemics and climate change could have caused its collapse-drawing frightening parallels to today. frightening parallels to today.

Recent discoveries and technological advances shed new light on our Recent discoveries and technological advances shed new light on our understanding of pre-Columbian societies in the Amazon. Scientists understanding of pre-Columbian societies in the Amazon. Scientists speculate the rainforest was home to between 8 and 10 million people speculate the rainforest was home to between 8 and 10 million people living in large, well-established communities. living in large, well-established communities.