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Complete PICLE corpus of essays by Polish advanced EFL students (330,000)

/^t/Nowadays more and more discoveries are being made and human attainments concerning the world are developing. It can be said that space travels are very useful from the scientific point of view as they let us broaden our horizons. Man improves his knowledge from fields of science such as astronomy, astrology, physics, chemistry, biology or geography. This knowledge is not wasted. Thanks to many observations and research scientists are able to explain different phenomena. Common people may change their perspective and start to perceive Earth not as the center of the universe, but just as a small part of it.