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Protozoa Killing Promises to Aid Man’s Health

African Skull May Be Important Link in Man’s Evolution

African Manlike Ape Skull New Link in Man’s Ancestry

Sun Spots Control Animal Populations, Scientist Claims

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Diphtheria Danger High in Isolated Communities

New Universes Vie with Minute Animals in Science Prize Award

Universe Expands When Astronomer Discovers Other Stellar Systems

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Early Inventors Had Their Troubles

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Arabian Insect Perfect Feminist