Summary: Marine scientists have mapped the ocean floor and discovered that the "spine" of the earth runs down the Atlantic Ocean, then up through the Indian and Pacific Oceans. It is here that the earth's crust was forged, and it is also where living things first existed. Using satellite images and the latest marine technology, this program contains stunning footage of the ocean floor, the underwater...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2007
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Summary: A life-sustaining envelope of gas surrounds the earth. This atmosphere contains oxygen, CO2, water vapor, and other gases-it is what generates climate, which affects all living beings. This program analyzes the sun's gradual brightening and the relationship between sunlight and CO2, explains why the atmospheres of Mars and Venus cannot sustain life, theorizes about the disappearance of...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006