An airplane, traveling with a constant engine speed, makes a large and perfect circle parallel to the ground. There is no ...

The Soviet withdrawal on 15 February 1989 left an ideological infrastructure—madrassas, textbooks, and media networks—that ...

Get ready for some mind-bending bicycle math experiments! Can the equation 0.5 + 0.5 equal 0.33 + 0.33 + 0.33 on a bike?

"Keeping up with traffic" is a common claim in speeding cases. Is it a valid excuse? How do courts and law enforcement view ...