Movies: Jay O. Sanders

How did medieval engineers construct magnificent skyscrapers of glass and stone?...

A look at several recent train crashes, their causes and a technological solution which should make such events occur much less often....

Dinosaurs are generally considered tropical animals. So what are their fossils doing north of the arctic circle? Paleontologists battle the fierce climate to find out if the arctic was warmer then than it is now, or the arctic was farther from the No...

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