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adaptation American Anders Retzius animals appear astronomical biology birth rate body California cause cent centrosomes century changes characters chemistry chromatin chromomeres civilization considerable Cro-Magnon cytoplasm defects definite differentiation disease division early earth earthquakes environment eoliths Europe evidence evolution fact factors gametes genes geological germ cells germplasm Heidelberg heredity hospitals human hypothesis ical important increase individual inertia inheritance institutions interest Kent Plateau known Lake large number less mathematics matter mechanism ment mental million mitosis modern mutations National natural Neanderthal nucleus number of chromosomes observed occur organization period philosophy physical Pithecanthropus planetesimal plants Pleistocene Pliocene population possible present probably problem produced Professor progress race reconstruction region relatively represent Retzius scientific seems social society species spermatozoon spongioplasm stage structure Sumerian theory tion tuberculosis United University various zygote
Page 244 - Twinkle, twinkle, little star, How I wonder what you are! Up above the world so high, Like a diamond in the sky.
Page 26 - COGAN, physician and schoolmaster of Mani Chester, in 1584 published a book to which he gave the modest title " The Haven of Health." At the time of the publication Queen Elizabeth had been on the throne twenty-six years. Four years later the Spanish Armada was to be ingloriously swept from the seas by a combination of British valor and unfriendly winds. Three years were still to pass before William Shakespeare would move to London. The jubilee of learning was soon to be at its full height. Galen...
Page 615 - The immediate check may be stated to consist in all those customs, and all those diseases, which seem to be generated by a scarcity of the means of subsistence ; and all those causes, independent of this scarcity, whether of a moral or physical nature, which tend prematurely to weaken and destroy the human frame.
Page 111 - Mendel, professor of physiological chemistry, Yale University; JR Murlin, professor of physiology and director of the department of vital economics, University of Rochester; RA Pearson, president of the Iowa State Agricultural College; HC Sherman, professor of food chemistry, Columbia University; AE Taylor, Rush professor of physiological chemistry, University of Pennsylvania; and A. F. Woods, botanist, president of Maryland State College of Agriculture. This committee will devote its...
Page 320 - Leaves have their times to fall, And flowers to wither at the north wind's breath, And stars to set — but all, Thou hast all seasons for thine own, O death ! Mrs.
Page 534 - ... in the proposal to derive from corn cobs furfural, which may be used as a base from which to draw dyes, just as certain coal tar products are employed. Thus, furfural green, a favorite tint, may eventually be derived from the refuse of native maize.
Page 245 - We don't know where we're going, but we're on our way!" As Professor Walton Hamilton once pointed out, this refrain is a remarkably apt characterization of the state of mind into which some contemporary economists have got themselves. But gay or not, the state of mind which is described by this characteristically Hamiltonian irony is one of complete and...
Page 390 - They generalize it in a legitimate and intelligible manner. Such complications as these are clearly in accordance with truth and are to be welcomed ; but the complicated theory of gravitation created this century by Einstein and developed by his successors, and the consequent overhauling of space and time relations, do not at present commend themselves to me, nor I think to others of what I suppose must be called the older school. Meanwhile the full-blown theory has the courage of its conviction...
Page 328 - ... slightly less than 10 per cent. It is estimated that there are 650,000 teaching positions in the public schools of the United States, and if these figures hold good for the entire country there are 39,000 vacancies and 65,000 teachers below standard. These same superintendents report that 52,798 teachers dropped out during the past year, a loss of over 22 per cent. On this basis the total number for the entire country would be 143,000. The reports show that the shortage of teachers and the number...