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...change requires more than just speaking out -- it requires listening, as well. In particular, it requires listening to those with whom you disagree, and being prepared to compromise... you need allies in a democracy. That's just the way it is. It can be frustrating and it can be slow. But history teaches us that…
Contrast two answers to the question, Why do we like certain tunes? Because they have certain structural features. Because they resemble other tunes we like. The first answer has to do with the laws and rules that make tunes pleasant. In language, we know some laws for sentences; that is, we know the forms sentences…
Colorado Mesa University was typical of most public institutions in the fall of 2007, with out-of-state students making up a small number, about 5 percent, of the overall student body. But when the economic downturn hit in the fall of 2008, and state support for higher education began dwindling, Colorado Mesa…
This is a role-playing game. That means that you will be like an actor, imagining that you are someone else, and pretending to be that character. You won’t need a stage, though, and you won’t need costumes or scripts. You only need to imagine. This game doesn’t have a board, because you won’t need one. Besides, no…
Scientists have one thing in common with children: curiosity. To be a good scientist you must have kept this trait of childhood, and perhaps it is not easy to retain just one trait. A scientist has to be curious like a child; perhaps one can understand that there are other childish features he hasn't grown out of.
why is green the dominant color of terrerestrial plants? That's easy. Chlorophyll molecules absorb light at the red and blue ends of the spectrum. It is the middle of the spectrum (the green part) that is reflected and gives plants their characteristic color. A more efficient photosynthetic pigment would be black…
It is clearly not easy for man to give up the satisfaction of this inclination to aggression. They do not feel comfortable without it. The advantage which a comparatively small cultural group offers of allowing this instinct an outlet in the form of hostility against intruders is not to be despised. It is always…
The most famous quality measure is PageRank [221], discussed earlier, which builds on the intuition that a page which is cited by many other pages is likely to be of significant quality. The insight of PageRank is that the obvious way to subvert that model is to set up a load of dummy pages to cite the page which one…