What original idea was modified once Columbus discovered he did not land in India?

He originally though that the Earth is small, but later realized it was bigger.
He originally thought the world was flat, but later realized that it was round.
He originally though the Sun revolved around Earth, but later realized it did not.
He originally thought that Earth stood still in the center of the universe.

The name may be in importnce  to them

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city. 

Unique question.well, using science, you cannot create or destroy even if you do eat yourself so you would not grow twice as big, nor would you disappear. you would stay the same but change states potentially, or at least change your appearance (obviously).hope this . keep up these unique questions.