Feature

How Mental Ability Varies with Age and Race

Intelligent Students Show Most Speed

Diseases Blamed for Hair-Trigger Tempers

Urges Cooperation in Science as in Industry

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Hybridization of Man and Ape to Be Attempted in Africa

American Children Claimed More Intelligent than Chinese

British Cancer Discovery Offers No Present Cure

Many Good Sea Foods Now Neglected

163680

Large Healthy New Dewberry Introduced to Public

Supposed Comet a Minor Planet