ArcaMax

Knowledge

on Jan 23, 2026

Hadal Zone
Abyssal Zone
Bathyal Zone
Euphotic Zone

Hadal Zone. "Hadal" comes from a Greek word that means "unseen".

Science Trivia / January 22, 2026

Temperature Difference By Depth. OTEC, which stands for Ocean Thermal Energy Conversion, is an energy technology.

Science Trivia / January 22, 2026

Uranus. In 1977, the first nine rings of Uranus were discovered.

Science Trivia / January 21, 2026

Echolocation. Echolation, similar to radar, bounces sound waves off objects in order to locate them.

Science Trivia / January 21, 2026

Pacific Ocean. "El Nino" is a weather term describing the warming of the surface waters in the eastern Pacific Ocean.

Science Trivia / January 20, 2026

Rafflesia. The rafflesia is found on the Malay Peninsula, Borneo, Sumatra, and the Philippines.

Science Trivia / January 20, 2026

Chromosomal Abnormalities. In amniocentesis, one to three tablespoons of amniotic fluid are removed for analysis.