Text: but the egyptians celebrated large successes in disciplines such as medicine, astronomy and agriculture.

Correct capitalization: But the Egyptians celebrated large successes in disciplines such as medicine, Astronomy and agriculture.

Text: i liked mathematics, and my father being a mathematician was no reason i should not become one too.

Correct capitalization: I liked mathematics, and my father being a mathematician was no reason I should not become one too.

Text: in january 2013, the solar portfolio generated a production lower than expectations and compared to january 2012 due to low irradiation both in italy and spain.

Correct capitalization: In January 2013, the solar portfolio generated a production lower than expectations and compared to January 2012 due to low irradiation both in Italy and Spain.

Text: the indicated data are incorrect.

Correct capitalization:
The indicated data are incorrect.