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Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert. Deep in the Arabian Desert lie thousands of enigmatic stone megastructures whose true form is visible only from ...

This ‘NOVA’ presentation focuses on therapsids, lizard-like creatures with distinctly mammalian characteristics that lived on Earth more than 200 million years ago.

Have you ever wondered why you feel a pull to go for that grueling trail run or long bike ride or demanding backcountry ski? We have an innate need for adventure, but why? According to ...