This video explores the role of biogeochemical cycles in the formation of caves. It discusses a radical new theory that identifies sulfuric acid as a cave-forming agent. The video, adapted from a NOVA broadcast,...
Methyl tertiary-butyl ether (MTBE), a fuel additive, is highly mobile in groundwater, dissolving and traveling faster than the other petroleum constituents which tend to biodegrade and adsorb to soil particles. This...
This interactive lesson from NOVA Online shows how the 2004 Indian Ocean tsunami was triggered, how its waves traveled thousands of kilometers largely unchanged, and what happened once the waves reached coastlines both...
The colligative properties of solutions consist of freezing point depression, boiling point elevation, vapor pressure lowering, and osmotic pressure. These properties ideally depend on changes in the entropy of the...
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