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Prior posts have noted a number of issues related to nanoparticles.
Silver nanoparticles are used in hundreds of consumer products, including food storage containers, clothing, computer keyboards, cosmetics, pillows, cell phones, and medical appliances...
Prior posts have discussed the Cambrian explosion, and noted the evidence suggesting that it was a more gradual process than stereotypically described. However, there has been little solid evidence to explain why, following this alleged burst of complex...
Heavier crudes are, by definition, more viscous. The also contain greater amounts of sulfur, which must be removed because of the adverse impact of sulfur on various catalysts used in the refining process. The sulfur content of fuel is also controlled...