Get the facts about biopsies and cancer spread. Learn about the low risk of tumor seeding and the crucial role of biopsies in cancer diagnosis.
National Geographic's enterprising photographers have helped readers explore and learn about our beautiful world through their images for more than a century. Here is their best work from the past ...
Ousted Syrian President Bashar Assad fled to Moscow on Sunday, Russian media reported, hours after a stunning rebel advance took over the capital of Damascus and ended the Assad family's 50 years of ...
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