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Blood Is Life
 Every second 2.5 million red blood corpuscles are formed in our bodies; in their 120-day life expectancy each will cover about 250 miles in our blood vessels. In the course of a human's life, 200,000 tons of blood are pumped through the body, supplyi...(more details) |
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$79.95 |
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$79.95 |
| DVD + 3-Year Streaming |
$119.93 |
| 3-Year Streaming |
$79.95 |
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Planet Earth, An Explorer's Guide
 Our understanding of how the earth works has just undergone its biggest change since we realized that the earth orbited the sun. We now know that what we see at the surface is caused by vigorous motions deep inside the earth-motions that are slow com...(more details) |
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World Habitats
This CD-ROM provides a resource of pictures, sound, and text covering aspects of life and living processes associated with the world's major habitats. The material helps to provide an understanding of the wide variety of living things and the way the...(more details) |
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Life Cycles
 The life cycles of plants, animals, and humans are studied close-up in this outstanding biology program. Narrated film action scenes show plant and animal reproduction, then show the budding of leaves, and the emergence of baby chicks from their shel...(more details) |
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$69.95 |
| DVD |
$69.95 |
| DVD + 3-Year Streaming |
$104.93 |
| 3-Year Streaming |
$69.95 |
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The Origin of Life
This program explores the essential features of life: heredity and DNA. DNA stores and transmits genetic information, and proteins do all the work from there. DNA and protein are connected by the genetic code, in which DNA specifies what kinds of pro...(more details) |
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