tailieunhanh - BIOLOGICAL SCIENCES

Discovering what lies behind a hill or beyond a neighborhood can be as simple as taking a short walk. But curiosity and the urge to make new dis- coveries usually require people to undertake journeys much more adven- turesome than a short walk, and scientists oft en study realms far removed from everyday observation—sometimes even beyond the present means of travel or vision. Polish astronomer Nicolaus Copernicus’s (1473–1543) heliocentric (Sun-centered) model of the solar system, published in 1543, ushered in the modern age of astronomy more than 400 years before the fi rst rocket escaped Earth’s gravity. Scientists today probe the tiny. | FRONTIERS ẽg SCIENCE BIOLOGICAL SCIENCES Notable Research and Discoveries KYLE KIRKLAND . FRONTIERS 0F SCIENCE BIOLOGICAL .

TÀI LIỆU LIÊN QUAN
TỪ KHÓA LIÊN QUAN