ArcaMax

Knowledge

on Apr 5, 2025

Chalcedony
Chrysoberyl
Chrysoprase
Corundum

Corundum. Ruby and sapphire are both forms of corundum, with a hardness rating just below a diamond.

Science Trivia / April 05, 2025

Ice. Ice is the most abundant of the varying solid phases on the Earth's surface.

Science Trivia / April 04, 2025

The Kangaroo And The Emu. The kangaroo is the national animal of Australia.

Science Trivia / April 04, 2025

Black Widow Spider. Black Widow spiders are found on every continent except Antarctica.

Science Trivia / April 03, 2025

Venus. The temperature on Venus ranges from -50 to 900 degree F.

Science Trivia / April 03, 2025

On The Surface Above The Focus. The hypocenter or focus is the point where an earthquake originates.

Science Trivia / April 02, 2025

Borderline. Unstable moods and impulsive behavior are the most common characteristics of borderline personalities.