CONTENTS
Copyright
Introductory Note
Illustrations
Introduction
I. The Romance of the Heavens
The scale of the universeThe solar systemRegions of the sunThe surface of the sunMeasuring the speed of lightIs the sun dying?The planetsVenusIs there life on Mars? - Jupiter and SaturnThe moon - The mountains of the moonMeteors and comets - Millions of meteorites - A great cometThe stellar universe - The evolution of stars - The age of starsThe nebular theory - Spiral nebulæThe birth and death of starsThe shape of our universeAstronomical instrumentsBibliography
II. The Story of Evolution
The beginning of the earthMaking a home for lifeThe first living creatures - The first plants - The first animals - Beginnings of bodiesEvolution of sex - Beginning of natural deathProcession of life through the agesEvolution of land animalsThe flying dragons - The first known birdEvidences of evolution - Factors in evolutionBibliography
III. Adaptations to Environment
The shore of the seaThe open seaThe deep seaThe fresh waters - The dry land - The airBibliography
IV. The Struggle for Existence
Animal and bird mimicry and disguiseOther kinds of elusiveness
V. The Ascent of Man
Anatomical proof of man's relationship with a Simian stockPhysiological proof - Embryological proof - Man's pedigreMan's arboreal apprenticeship - Tentative menPrimitive men - Races of mankindSteps in human evolution - Factors in human progressBibliography
VI. Evolution Going on
Evolutionary prospect for manThe fountain of change; variabilityEvolution of plants - Romance of wheatChanges in animal lifeStory of the salmonForming new habitsExperiments in locomotion; new devices
VII. The Dawn of Mind
A caution in regard to instinctA useful law - Senses of fishesThe mind of a minnow - The mind and senses of amphibiansThe reptilian mind - Mind in birdsIntelligence co-operating with instinctThe mind of the mammal - Instinctive aptitudesPower of associationWhy is there not more intelligence?The mind of monkeys - Activity for activity's sakeImitation - The mind of man - Body and mind
VIII. Foundations of the Universe
The world of atomsThe energy of atomsThe discovery of X-rays - The discovery of radiumThe discovery of the electronThe electron theory - The structure of the atomThe new view of matter - Other new viewsThe nature of electricity - Electric currentThe dynamo - MagnetismEther and wavesLightWhat the blue "sky" means - Light without heatForms of energyWhat heat is - Substitutes for coal - Dissipation of energyWhat a uniform temperature would meanMatter, ether, and Einstein - The tidesOrigin of the moon - The earth slowing down - The day becoming longerBibliography
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