Most Commented Stories Tagged: Niger

Science, Tech & Environment

Geo answer

Anchor Marco Werman speaks with paleontologist Paul Sereno from the University of Chicago about his discovery of a new kind of dinosaur fossil. The discovery took place in Africa's Sahara Desert -- which is the answer to today's Geo Quiz.

Science, Tech & Environment

Sahara cemetery

American archaeologists working in the Sahara Desert say they've discovered extensive burial grounds dating back thousands of years, at a time when the Sahara was a green and fertile land. The World's David Leveille reports.

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