Contraceptive Hormones Improve Cognitive Function
- Health & Medicine, Mind & Brain
- November 9, 2012
During a solar eclipse in India on October 20th, 1868, English astronomer Norman Lockyer noticed a peculiar yellow shade in the light detected with their instruments. He and chemist Edward Frankland concluded that it was caused by an element unknown on Earth. They named it helium after the Greek God of the Sun, Helios. Twenty-five
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