ArcaMax

Knowledge

on Nov 11, 2025

Methane
Kilometer
Aqueduct
Milligram

Milligram. The United States has not yet adopted the metric system.

Science Trivia / November 11, 2025

Blue. Less pigment in the iris makes the eye more sensitive to light.

Science Trivia / November 10, 2025

Math. The Arabic word for restoration, al-jabru, is the root of the word algebra.

Science Trivia / November 10, 2025

It Floats. Pumice is a volatile rock spewed by a volcano whose matrix has captured air bubbles so that it will not readily sink.

Science Trivia / November 09, 2025

Seismograph. The Richter Scale assigns a number to quantify the amount of seismic energy.

Science Trivia / November 09, 2025

Wrist. Humans have eight carpal bones forming two rows between the arm and hand.

Science Trivia / November 08, 2025

L. Because L earthquake waves ride the surface, their energy devastates property.