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220 programmes found
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SIX KINGDOM CLASSIFICATION: Part 2, Protista, Eubacteria, Archaebacteria, & Domains
The key concepts in Part 1 are briefly reviewed. In Part 2, organisms in the Protista Kingdom are virtually all single-celled. Mos...
Pure sciences » Biology
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Space Transportation: an ATV perspective
Although we use space technology on a daily basis and we have permanently inhabited Earth’s orbit for almost a decade, we rarely k...
Space » Other
Space » Space hardware
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PERIODIC TABLE: STRUCTURES OF ATOMS
CONTENT Chapter 1. Discoveries of Atomic Structures 6 min Discovery of the Electron J.J. Thomson in 1897 was investigatin...
Pure sciences » Chemistry
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PERIODIC TABLE: PROPERTIES OF ELEMENT GROUPS
CONTENT Chapter 1. Mendeleev’s Periodic Table 5 min In 1869, Dmitri Mendeleev, a brilliant Russian chemist, was searching for ...
Pure sciences » Chemistry
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HUMAN DIGESTIVE SYSTEM
Chapter 1 Testing for Food Nutrients 6 min Chapter 2 Human Digestive System 6 min. Chapter 3 Digestive Enzymes and pH 6 min.
Pure sciences » Biology
