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  1. Health & Medicine

    New Compounds Inhibit HIV in Lab

    Two new compounds uncovered by pharmaceutical scientists block integrase, an enzyme essential to the replication cycle of the virus that causes AIDS.

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  2. From the January 25, 1930, issue

    IF AMERICA HAD NOT BEEN DISCOVERED The suggestion that ancient America appears to parallel ancient Europe rather remarkably was made recently by Dr. A.V. Kidder, archaeologist of Phillips Academy, Andover, and director of archaeological researches for the Carnegie Institute of Washington. Dr. Kidder pointed out that the Mayan Indians who lived in Central America and […]

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  3. Let’s Go to Lascaux

    Take a virtual trip to France’s Lascaux Cave.