Man's physical universe

xanabras

CONTENTS

Section 7. Coal Has Become a Prolific Source of " Better Things for Better

Living through Chemistry" .......

Section 8. The Already Very Important Petroleum and Natural-gas

Industry Is about to Assume Even Far Greater Importance as

a Source of Raw Materials for Creative Chemistry .

Section 9.

Natural and Synthetic Rubbers Are Very Important Industrial

Materials

UNIT X

MAN'S PHYSICAL WELFARE IS THE MOST

IMPORTANT PROBLEM OF PHYSICAL SCIENCE

PAGE

Section 1. Photosynthesis Stores Energy for Living Organisms . .719

Section 2. Foods Are the Raw Materials of Living Organisms . . 725

Section 3. Vitamins, Enzymes, and Hormones Catalyze the Chemical

Reactions in Living Organisms ...... 738

Section 4. Large-scale Chemical Warfare Is Employed in Combating

Insects 750

Section 5.

The Utilization of Naturally Occurring Soluble Salts Has Contributed

Much to Man's Physical Welfare .... 756

Section 6. Chemistry Has Provided

...........

Many Weapons for the Control of

Disease

688

695

705

767

Section 7. The Relief of Pain Revolutionized Surgery .... 777

Section 8. Protoplasmic and Cellular Organization Is Essential to Life . 790

Section 9. The Progress of Civilization Depends upon Organization . 796

Conclusion 802

Bibliography 805

Index 817

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