: We Were There at the Normandy Invasion by Knight Clayton Royce Ralph Contributor - World War 1939-1945 Juvenile fiction

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INTRODUCTION 3

The scale of the universe--The solar system--Regions of the sun--The surface of the sun--Measuring the speed of light--Is the sun dying?--The planets--Venus--Is there life on Mars?--Jupiter and Saturn--The moon--The mountains of the moon--Meteors and comets--Millions of meteorites--A great comet--The stellar universe--The evolution of stars--The age of stars--The nebular theory--Spiral nebulae--The birth and death of stars--The shape of our universe--Astronomical instruments.

The beginning of the earth--Making a home for life--The first living creatures--The first plants--The first animals--Beginnings of bodies--Evolution of sex--Beginning of natural death--Procession of life through the ages--Evolution of land animals--The flying dragons--The first known bird--Evidences of evolution--Factors in evolution.

The shore of the sea--The open sea--The deep sea--The fresh waters--The dry land--The air.

Animal and bird mimicry and disguise--Other kinds of elusiveness.

Anatomical proof of man's relationship with a Simian stock--Physiological proof--Embryological proof--Man's pedigree--Man's arboreal apprenticeship--Tentative men--Primitive men--Races of mankind--Steps in human evolution--Factors in human progress.

Evolutionary prospect for man--The fountain of change; variability--Evolution of plants--Romance of wheat--Changes in animal life--Story of the salmon--Forming new habits--Experiments in locomotion; new devices.

A caution in regard to instinct--A useful law--Senses of fishes--The mind of a minnow--The mind and senses of amphibians--The reptilian mind--Mind in birds--Intelligence co-operating with instinct--The mind of the mammal--Instinctive aptitudes--Power of association--Why is there not more intelligence?--The mind of monkeys--Activity for activity's sake--Imitation--The mind of man--Body and mind.

The world of atoms--The energy of atoms--The discovery of X-rays--The discovery of radium--The discovery of the electron--The electron theory--The structure of the atom--The new view of matter--Other new views--The nature of electricity--Electric current--The dynamo--Magnetism--Ether and waves--Light--What the blue "sky" means--Light without heat--Forms of energy--What heat is--Substitutes for coal--Dissipation of energy--What a uniform temperature would mean--Matter, ether, and Einstein--The tides--Origin of the moon--The earth slowing down--The day becoming longer.

FACING PAGE

LAPLACE 10

PROFESSOR J. C. ADAMS 10 Photo: Royal Astronomical Society.

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