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ArchaeologyAncient rains made Sahara livable
New evidence indicates that seasonal rainfall more than 7,000 years ago turned Africa's eastern Sahara desert into a savannalike area that attracted an influx of foraging groups.
By Bruce Bower -
HumansPreserving Paradise
President Bush has created the world's largest marine reserve, a no-fishing, no-disturbance zone, surrounding the northwestern Hawaiian Islands.
By Janet Raloff -
HumansBooks for Late Summer
The writers of Science News present wide-ranging recommendations of books for readers to pack for their late-summer vacations.
By Science News -