ArcaMax

Knowledge

on Jan 3, 2026

Virus
Fungus
Animal
Plant

Animal. Coral gets most of its energy from photosynthetic unicellular algae.

Science Trivia / January 02, 2026

84.01 Earth Years. The rotational period of Uranus is 17.23 hours.

Science Trivia / January 02, 2026

Theory. Scientists use the term "theory" as an explanation of reality that has been thoroughly tested.

Science Trivia / January 01, 2026

Alvin. The 16-ton Alvin is owned by the United States Navy.

Science Trivia / January 01, 2026

Compass. A compass finds direction and is also used to draw circles.

Science Trivia / December 31, 2025

Emerald. The emerald and the ruby are only separated by the copper in the emerald and the chromium in the ruby.

Science Trivia / December 31, 2025

Therm. A "therm" is a non-SI unit often used by gas companies.