ArcaMax

Knowledge

on Jan 4, 2025

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Blue. There is usually only one full moon in a calendar month, and when a rare second moon occurs it's known as a "blue moon".

Science Trivia / January 04, 2025

1903. The building of the Panama Canal, in 1903, saw the United States help free Panama from the clutches of Colombia.

Science Trivia / January 03, 2025

Robert Gallo. The death of Gallo's sister from leukemia inspired him to become a cancer researcher.

Science Trivia / January 03, 2025

Carbon Monoxide. Carbon monoxide in higher quantities is highly toxic to humans and animals.

Science Trivia / January 02, 2025

Grounding. In 1999, electrical codes were changed, requiring that all 240-volt circuits be grounded.

Science Trivia / January 02, 2025

Drowned River Valley. An estuary combines fresh water and water from the sea.

Science Trivia / January 01, 2025

Footcandle. One foot-candle is equal to 10.76391 lux.