Explores the secrets of the Earth, answering questions about the what lies beneath the Earth's crust, why sea water is salty, what the ocean floor looks like, why Africa is splitting apart, and other topics.

Explores 250 wide-ranging milestones in the history of the planet Earth, including the birth of the moon, the oldest signs of life on Earth, the first mines, the invention of agriculture, women in earth science, reaching the South Pole, planet genetics, earthlike exoplanets, and rising CO₂ levels. Some of the key scientists and inventors from around the world who have shaped our modern understanding of planet Earth, such as Leonardo da Vinci and...

"This course takes you to the world's most spectacular geological wonders, explains the forces that have formed them, and tells you the stories that have grown up around them."--page 1 of course guidebook.

Coal and oil, sun, water, and wind - this course illuminates the science of energy sources. An expert geophysicist reveals how we power our lives. -- Professor Wysession walks you through a wide portfolio of renewable and non-renewable energy sources, including coal, oil, natural gas, solar, wind, geothermal, and nuclear fission. You?ll examine how these sources work, the engineering marvels that adapt them to human needs, the economic and environmental...