ArcaMax

Knowledge

on Jan 13, 2025

Robert Crippen
Ron McNairy
John Young
Thomas Mattingly

John Young. John Watts Young walked on the moon on April 21, 22 and 23 1972 during the Apollo 16 mission.

Science Trivia / December 15, 2025

Jellyfish. There are two kinds of jellyfish: fixed and mobile.

Science Trivia / December 15, 2025

Cockroach. There are 4500 species of cockroaches.

Science Trivia / December 14, 2025

Gagarin. Soviet cosmonaut Yuri Gagarin was 27 years old when he flew in space on April 12, 1961.

Science Trivia / December 14, 2025

Organism. An organism is capable of response to stimulus, reproduction, growth, development, and homeostasis.

Science Trivia / December 13, 2025

Fermentation. During fermentation in wine making, yeast interacts with sugars to create ethanol.

Science Trivia / December 13, 2025

Chemical Weathering. Chemical weathering is caused by atmospheric chemicals or those that are biologically produced.