ArcaMax

Knowledge

on Sep 21, 2026

The Amazon
The Zambezi
The Nile
The Congo

The Zambezi. The Zambezi is the fourth-longest river in Africa.

Science Trivia / September 21, 2026

Ligaments. Ligaments, similar to tendons, help to hold bones in place.

Science Trivia / September 20, 2026

Greek. The Greek "plastikos" means "capable of being shaped or molded".

Science Trivia / September 20, 2026

Daniel Gabriel Fahrenheit. Mercury thermometers are more accurate than alcohol thermometers.

Science Trivia / September 19, 2026

Carbon Dioxide. Carbon dioxide is emitted naturally through the carbon cycle.

Science Trivia / September 19, 2026

176 Calories. A pound of body fat contains 3,500 calories.

Science Trivia / September 18, 2026

Microwave. The word "maser" stands for microwave amplification by stimulated emission of radiation.