erathem

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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

pulmonary veins and arteries, circulation, cardiovascular system, human anatomy, (Netter replacement project - SSC)

13 Questions About How the Human Body Works Answered

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

Cleopatra hieroglyphic carving the Ancient Egyptian queen Cleopatra. Wall of the Temple of Horus at Edfu, Egypt.

What Did Cleopatra Look Like?

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

airplane in flight (plane, aircraft, flying)

7 Puzzling Plane Disappearances

erathem

geology and stratigraphy

Learn about this topic in these articles:

geological time

In era
…corresponds to “era” is “erathem.”
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