In his new National Geographic series, Limitless With Chris Hemsworth, the actor completes a test of the body’s reactions to fear: He climbed up a hundred-foot-long rope suspended from a cable ...

The outcome. The deliberations at the Council of Nicaea were marked by intense conflict. According to a14th-century legend, Saint Nicholas—the figure later associated with Santa Claus—became ...

Boehringer Ingelheim has started a proof-of-concept trial of a drug that could offer the first oral treatment for geographic atrophy (GA), a major cause of irreversible sight loss that affects ...

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