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WHEN WE were taught 1, 2, 3 and A, B, C, few of us were ever told about the Game of Black-and-White. It is quite as simple, but belongs to the hushed-up side of things. Consider, first, that all your five senses are differing forms of one basic sense—something like touch. Seeing is highly sensitive touching. The eyes…
The orthography of our language is extremely irregular; and many fruitless attempts have been made to reform it. The utility and expedience of such reform have been controverted, and both side of the question have been maintained with no inconsiderable zeal. On this subject, as on most others which divide the opinions…
With the Greeks, education was an important part of polity. Men were formed for their country, much more than for themselves, or their family. This principle can only be embraced by commonities little populous, in which it is more pardonable to suppose a national interest, separate from the common interest of…
It will be noticed that the fundamental theorem proved above bears some remarkable resemblances to the second law of thermodynamics. Both are properties of populations, or aggregates, true irrespective of the nature of the units which compose them; both are statistical laws; each requires the constant increase of a…
Trivers and Willard realized that the same general principle of sex allocation, which determines the gender of nematodes and fish, applies even to those creatures that cannot change sex but that take care of their young. They predicted that animals would be found to have some systematic control over the sex ratio of…