Learn how scientists keep track of time on a very large scale with this instructional film that describes the differences between eras, epochs and ages, and how major changes in the Earth are plotted on the geologic timeline. The film also explains how potassium-argon dating technology can determine the age of ancient rocks, and includes a visit to Ohio State University, where researchers put these techniques into practice.
Gary is a former gangster who has made a modest amount of money from his criminal career. Happy to put his life of crime behind him, he has retired with his wife Deedee to the sunny bliss of rural Spain, where he lives an idyllic life with his family and a few close friends.
When record store owner Rob Gordon gets dumped by his girlfriend, Laura, because he hasn't changed since they met, he revisits his top five breakups of all time in an attempt to figure out what went wrong.
Have you watched Physical Geography: Geologic Time yet? What did you think about it?