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Set Your Watch by the Dog-Star

8000 Year Old Discoveries May Link Mesopotamia and India

Blue and Red Flowers Colored with Same Dye

Discover Russian Site Popular with Prehistoric Men

Ancient Bear Bone Fetish Gave Man Artistic Urge

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Barn Swallow and Bobolink Long Distance Fliers

Ears Get Tired after Hard Day, Say Scientists

Spleen an Aid in Resisting Tuberculosis and Tumors

Studies “Hearing” of Unspoken Words

School Rooms Badly Lighted, Says Expert