The rate of a chemical reaction can be increased by using smaller solid particles which increases the surface area of a solid reactant. This is done by cutting the substance into small pieces, or ...

Experts say some dust can be downright dangerous. Experts have linked exposure to dust contamination to a laundry list of ...

How does energy transform matter? - OCR 21st Century How does the particle model relate to material under stress? How can scientific models help us understand the Big Bang?

In addition to effects on lipids, niacin has favorable ... Current understanding on particle numbers indicates that in addition to small and total LDL-Ps, a greater number of large LDL-Ps is ...

m increases with decreasing particle size; as shown in this chapter, certain gas-cleaning devices are most efficient for the removal of very small particles. In what follows, the equation of diffusion ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to ...

A spoonful of sugar might actually help the medicine go down, according to recent research from the University of Mississippi. And it could reduce the harmful side effects of cancer treatment.