Lewis Birch
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4 days ago · The discoveries of the 118 chemical elements known to exist as of 2024 are presented here in chronological order. The elements are listed generally in the order in which each was first defined as the pure element, as the exact date of discovery of most elements cannot be accurately determined.
Jun 18, 2024 · King John II sought to establish two routes: the first, a land and sea route through Egypt and Ethiopia to the Red Sea and the Indian Ocean and, the second, a sea route around the southern shores of Africa, the latter an act of faith, since Ptolemy’s map showed a landlocked Indian Ocean.
3 days ago · Leif Erikson (c.970–c.1020) was a famous Norse explorer who is credited for being the first European to set foot on American soil. The following is a list of explorers. Their common names, countries of origin (modern and former), centuries when they were active and main areas of exploration are listed below.
6 days ago · Discovery and exploration of the Solar System. Appearance. True-scale Solar System poster made by Emanuel Bowen in 1747. At that time, Uranus, Neptune, nor the asteroid belts have been discovered yet.
Jun 19, 2024 · Christopher Columbus, the intrepid Italian explorer, embarked on a historic voyage across the Atlantic in 1492 and opened up new horizons for European exploration and colonization.
Jun 17, 2024 · Isaac Newton, the brilliant physicist and mathematician, revolutionized our understanding of the universe with his laws of motion and universal gravitation, forever changing the course of scientific inquiry.
Jul 2, 2024 · The race is now in earnest. How did the "discoverers" come to their conclusion about the structure of DNA. What information did they need?
