Feature

Germs Furnish Growth Promoters for Plants

American Baseballs and German Boats

Sees Airplane as Plague Carrier

Early Inventors Had Their Troubles

Botanists Striving to Save Rare Ferns

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Arabian Insect Perfect Feminist

Chestnut Blight Takes Giant Leap

Useful Pigment Now Made Electrically

Gives $350,000 to Start New Scientific Journal

Ancient Hippo Bones Found in London

Artificial Blizzard Tests Hardiness of Orange Trees