Lloyd R. Snyder

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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

Statue of Nostradamus

Nostradamus and His Prophecies

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

Time zone map with standard time zones and International Date Line

Why Are Some Time Zones 30 Minutes Off Instead of an Hour?

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

airplane in flight (plane, aircraft, flying)

7 Puzzling Plane Disappearances

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

What If the President Is Impeached?

Lloyd R. Snyder

American chemist

Learn about this topic in these articles:

study of liquid chromatography

In chromatography: Liquid chromatography
The American chemist Lloyd R. Snyder arranged solvents in an eluotropic strength scale based on the chromatographic behaviour of selected solutes on silica. Normal-phase chromatography involves a polar stationary phase and a less polar mobile phase.
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