Pbs: Nova Labs: The Rna Origin of Life

How did life on earth begin? Is there a scientific explanation that could show how life arose from chemical reactions? Discover the answers to these questions and more as you watch a basic explanation of the hypotheses currently being...

RNA may have been the origin of life on Earth. Go on a whirlwind tour of RNA's evolving role through billions of years of evolutionary history. [3:02]

Aristotle explained the idea of spontaneous generation, a concept which lasted almost 2,000 years before scientists proved it wrong. Scholars learn about the history of our understanding of the origins of life. They read examples of...

Guess where the oldest rocks on Earth are found? And what do these rocks reveal about the age of the earth?   Viewers of this short video analyze the age of the earth and explore the origin of life through geologic,...

Start a class exploration explaining the origin of evolution and life on planet Earth with the first of a five part series. Episode one examines the KT Boundary and what it meant in terms of mass extinction. It explores evidence and keys...

Ever wish there was a guest lecturer to help you explain the origins of life? Invite Mr. Anderson into your room with this 14-minute video lecture that describes the origins of life, age of the earth, and how scientists know what they do...

In part four of this five-part series on the origin of life on Earth, we learn about Charles Darwin and how he developed the theory of evolution. The focus of this video is looking at the evidence that Darwin observed. Perfect for...

Continue your exploration of the origin of life with part three of this wonderful five-part series. This episode examines Precambrian fossils found in the Berges Shale. Watch this video to find out the value of this discovery to...

For thousands of years people have observed comets as they pass through the solar system, but could there be more to these celestial bodies than meets the eye? Watch this video to learn how these objects have recently been found to...

Explore how DNA, genes, and proteins are tied together to make life. Scholars learn about the central dogma, connecting DNA, which is inherited, to RNA and then to proteins, all which make the diversity of life today.