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University of Northern Iowa

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Expectance, Dana Campbell Feb 1931

Expectance, Dana Campbell

Purple Pen

No abstract provided.


In A Dressing Room, James W. Luker Feb 1931

In A Dressing Room, James W. Luker

Purple Pen

No abstract provided.


Essence Of Reality, June Climpson Feb 1931

Essence Of Reality, June Climpson

Purple Pen

No abstract provided.


Prospecting In Browning, Hazel J. Robinson Feb 1931

Prospecting In Browning, Hazel J. Robinson

Purple Pen

No abstract provided.


"Recitation Day", Maxine De Haas Feb 1931

"Recitation Day", Maxine De Haas

Purple Pen

No abstract provided.


Kansas, Miriam Yaggy Feb 1931

Kansas, Miriam Yaggy

Purple Pen

No abstract provided.


Le Grand Panache, Jane Becknell Feb 1931

Le Grand Panache, Jane Becknell

Purple Pen

No abstract provided.


Winter, Jane Burns Lindsay Feb 1931

Winter, Jane Burns Lindsay

Purple Pen

No abstract provided.


Coward, Norma Gillett Feb 1931

Coward, Norma Gillett

Purple Pen

No abstract provided.


On Being Broad Minded, Dorothy De Zouche Feb 1931

On Being Broad Minded, Dorothy De Zouche

Purple Pen

No abstract provided.


Weaver, Norma Gillett Feb 1931

Weaver, Norma Gillett

Purple Pen

No abstract provided.


Orion And Diana, Lola Barnhart Feb 1931

Orion And Diana, Lola Barnhart

Purple Pen

No abstract provided.


To A Poet-Lover, Robert A. Mallory Feb 1931

To A Poet-Lover, Robert A. Mallory

Purple Pen

No abstract provided.


To A Girl, Mary Wheat Feb 1931

To A Girl, Mary Wheat

Purple Pen

No abstract provided.


Prairie Silences, Mary A. Wheat Feb 1931

Prairie Silences, Mary A. Wheat

Purple Pen

No abstract provided.


Question Box Feb 1931

Question Box

Science Bulletin

Can two violins playing the same pitch simultaneously be heard farther than one?


Fancies, Marguerite Hoffman Feb 1931

Fancies, Marguerite Hoffman

Purple Pen

No abstract provided.


Whitey, Leora Boetger Feb 1931

Whitey, Leora Boetger

Purple Pen

No abstract provided.


The Planetesimal Hypothesis, E. J. Cable Jan 1931

The Planetesimal Hypothesis, E. J. Cable

Science Bulletin

In a former article the writer called attention to the fact that the La Placian hypothesis has been abandoned by scientists because of the serious astronomical, biological, dynamical, and geological difficulties encountered. The Planetesimal or Accretion hypothesis, which has superseded it, is the gift of Doctor T. C. Chamberlin, formerly head of the Department of Geology at the University of Chicago and Director of the United States Geological Survey.


Smoke Makes City Warmer Jan 1931

Smoke Makes City Warmer

Science Bulletin

Mr. Fred L. Disterdick, of the U. S. Weather Bureau at Des Moines, has observed surprisingly great differences in temperature between the smoke covered city and the nearby country.


Editor And Advisory Board Jan 1931

Editor And Advisory Board

Science Bulletin

A Service Bulletin for Teachers of High School Science.


Universe May Not Be Running Down Jan 1931

Universe May Not Be Running Down

Science Bulletin

The Sun by radiation is losing energy at a tremendous rate. The Earth receives about one two thousand millionth part of this, and other planets, satellites and asteroids their tiny share. The rest travels out into the depths of space, presumably to be lost forever so far as the solar system is concerned.


Plant Disease Control, C. W. Lantz Jan 1931

Plant Disease Control, C. W. Lantz

Science Bulletin

In the November issue of the Bulletin some idea of the crop losses due to plant diseases was given. Obviously the farmer should be concerned in preventing these losses if he is to profit most from his labor. The control of plant disease lies in prevention rather than cure. In most cases, the individual plant is not of sufficient value to warrant an attempt to cure it. The exceptions would be in those cases where a valuable individual plant such as a shade tree becomes diseased and it would be desirable to save it.


Iowa State Teachers College Program Of Recitations, Winter 1930-1931, Iowa State Teachers College Jan 1931

Iowa State Teachers College Program Of Recitations, Winter 1930-1931, Iowa State Teachers College

UNI Schedule of Classes

A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Teachers College.


Minimum Durations Of The Glacial And Interglacial Ages In The Pleistocene Of Iowa, George F. Kay Jan 1931

Minimum Durations Of The Glacial And Interglacial Ages In The Pleistocene Of Iowa, George F. Kay

Proceedings of the Iowa Academy of Science

The minimum durations of the glacial ages in Iowa have been estimated from present-day consensus of opinion as to the rates of advance and retreat of ice sheets. For the retreat of the late Wisconsin from Iowa the rate of one mile in ten years was adopted. The same rate was assumed for the advance of this ice sheet into Iowa and also for the advances and retreats of earlier ice sheets. The minimum duration of glacial time in Iowa was calculated to be about 30,000 years.


Science Bulletin, Vol.3 No.5, January 1931 [Complete Issue] Jan 1931

Science Bulletin, Vol.3 No.5, January 1931 [Complete Issue]

Science Bulletin

A Service Bulletin for Teachers of High School Science.


Title Page Jan 1931

Title Page

Science Bulletin

A Service Bulletin for Teachers of High School Science.


Question Box, W. H. Kadesch, O. R. Clark, Winfield Scott Jan 1931

Question Box, W. H. Kadesch, O. R. Clark, Winfield Scott

Science Bulletin

Question: Wood is opaque to light but is easily penetrated by X rays. The latter, however, are stopped by some kinds of clear glass. Does this not show that light and X rays are of different nature?

Is it desirable to study the theory of evolution in connection with a high school course in Botany? If so, to what extent?

What is the purpose of crop rotation?


On Meeting With A Fox, Roy L. Abbott Jan 1931

On Meeting With A Fox, Roy L. Abbott

Science Bulletin

It is rarely that one sees a wild animal at its best. As a hunter, I have shot many beautiful birds and small mammals, but on retrieving them, in spite of my elation at their capture, I have always had the haunting feeling that the dead thing in my hand was not the creature at which I had aimed. As an anatomist, I have dissected scores of animals, but always do I realize that the stiff, cold thing under my scalpel is not quite the thing it was when alive.


Proceedings Of The Forty-Fifth Annual Meeting Of The Iowa Academy Of Science, Held At Davenport, May 1 And 2, 1931: Minutes Of The Meeting; Staff & Committee Reports Jan 1931

Proceedings Of The Forty-Fifth Annual Meeting Of The Iowa Academy Of Science, Held At Davenport, May 1 And 2, 1931: Minutes Of The Meeting; Staff & Committee Reports

Proceedings of the Iowa Academy of Science

No abstract provided.