This video segment, adapted from a NOVA broadcast, provides an account of the 1995 avalanche that overran the fishing village of Flateyri, Iceland, killing 20 people. It also points out the unpredictability of such...
Part of the Gross Physiology of the Cardiovascular System site, this 22-minute video presentation explains fundamental but often misunderstood concepts about the determinants of cardiac output, using Dr. Anderson's...
Alu is an example of a so-called 'jumping gene' - a transposable DNA sequence that reproduces "by copying itself and inserting into new chromosome locations." This animation from Cold Spring Harbor Laboratory's Dolan...
This case study looks at cocaine, including its addictive properties and the chemistry involved in the synthesis of the drug in its different forms. The lesson can be used to teach nucleophilic addition reactions,...
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