Terrorists opened fire at a mosque in North Sinai, Egypt, killing more than 300 people present there for Friday prayers.
Dinosaur Discovery on MSN
Inside the strange anatomy of the dinosaur that echoed across the Cretaceous
This story explores the world of a dinosaur whose hollow crest became its most defining feature. Researchers believe it ...
Pulmonary diseases pose a major health problem worldwide with millions of affected individuals and dire economic impact.
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