Ancient China made unique contributions to many areas of science including astronomy, calendric system, geography, mathematics, agriculture, medicine and the humanities.

古代中国在天文历法、地学、数学、农学、医学和人文科学的许多领域，都作出过独特的贡献。

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We've already had a number of science-focused events with young people at the White House, including Astronomy Night a few weeks ago.

WHITEHOUSE: President Obama Kicks Off "Educate to Innovate"

Even so, it is attracting a lot of attention at the astronomy meeting, including from heavyweights such as Michael Turner from the University of Chicago and the National Science Foundation.

NPR: New Clue to Universe's Darkest Mystery

He bought thousands of books including works on music, mathematics, astronomy, history, geography, magic, theology and philosophy.

ECONOMIST: Spanish empire