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According to string theory there is a vibrating string-like
According to string theory there is a vibrating string-like filament at the heart of each subatomic particle, and the vibrations of the filament give ...

Explaining selection bias. We draw conclusions about the world
Explaining selection bias. We draw conclusions about the world based on the evidence we have; but the evidence may not be representative. Nobody trave...

Interview transcript. American foreign policy and the Cold War.
Interview transcript. American foreign policy and the Cold War. “The Soviets became gradually aware of the unworkability of their system. Brezhnev s...

Five countries provide the economic success stories of
Five countries provide the economic success stories of post-communist Europe: Albania, Poland, Belarus, Armenia and Estonia. Each has achieved more th...