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Foucault's Pendulum and its impact on world culture

Myths are expensive: Red Mercury

Astronomical unit

The phases of mitosis: their characteristics.

The theory of knowledge and the basic approaches to cognizability

The energy from the vacuum generator of free energy

Absolute and relative error

The problem of limited resources and possible solutions

The biological system: the essence of the concept and main characteristics

Chemical bonding and the principle of its formation

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