Add Yahoo as a preferred source to see more of our stories on Google. Himalayan rocks hold magnetic clues about their origins. Craig Robert Martin, CC BY-ND Breathing quickly in the thin mountain air, ...
Violence marked most of the world’s trouble spots last week: bloodletting in Algeria, upheaval in Argentina, a shadow war in South Viet Nam, a coup d’état in Syria. Almost unnoticed was an event of ...
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