What did Aristarchus discover?

Answer Aristarchus (c.310-c.230 B.C.), a Greek from the isle of Samos, was the first to propose the heliocentric theory, which holds that the earth and other planets revolve around the sun. At the time, i... Read More »

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Is Discover Bank connected to the Discover Card?

Yes, both Discover Bank and Discover Card are offerings of Discover Financial Services. The company has offered credit cards since 1986 and also owns both PULSE and Diners Club, two additional paym... Read More »

What did Galen discover?

Galen was a Greek physician who lived from 129 AD to 210 AD. He discovered that blood ran through arteries instead of air, and seven out of the 12 known cranial G... Read More »

What did Rutherford discover?

Earnest Rutherford discovered that the atoms of some elements naturally decay into other elements, that radiation consists of different components, and that changing elements could be done artifici... Read More »

What did Copernicus discover?

Nicolaus Copernicus discovered that the Sun was the center of the universe, and thus Earth and all other planets revolved around the Sun. Copernicus' discovery, known as the Heliocentric Theory, wa... Read More »