Word: synthesise
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The dark skin that usually, though not invariably, characterizes members of the Negroid race may also be a protective device. If man was first born in tropical Africa, as some anthropologists now suggest, then it is possible that his skin, whatever color it may have been to begin with, took...
Near the beginning of time, the universe almost certainly contained many elements heavier than uranium, the heaviest element that exists naturally on earth. Gradually these "transuranium" elements disappeared, decomposing by radioactive decay into lighter and more stable elements. During the past few decades, however, at least eleven transuranium elements and...
Origin on the Equator. The control of skin color over vitamin D synthesis, says Loomis, explains the distribution of the races of man in prehistoric and early historic times. As far as anthropologists can tell, "human beings" originated in Africa near the equator. Almost certainly, they had black skins. Many...
Loomis' theory is not entirely new, but he has honed it to a greater sharpness than have previous investigators. Every human being of every race lives through a cycle of supporting evidence for at least part of it and carries some in his hand throughout life. Babies of all...
The Arabs' empire failed because they lacked the skill of political synthesis. In conquered territory, Arab rulers hewed to the Koran and tended to let the conquered govern themselves. Mohammed designated no successor (caliph); his squabbling heirs split Islam into rival sects. For a time, independent Moslem states retained...