ArcaMax

Knowledge

on Oct 18, 2026

Flute Player
Someone From Philadelphia
Charitable Fellow
Stamp Collector

Stamp Collector. Philatelists study stamps as well as postal history.

Science Trivia / October 17, 2026

Titan. Titan is the largest of Saturn's 53 moons.

Science Trivia / October 17, 2026

Smoke. Much of the smoke in smog comes from the industrial burning of coal.

Science Trivia / October 16, 2026

Brontosaurus. The label "brontosaurus" is scientifically extinct; "Apatosaurus" is preferred.

Science Trivia / October 16, 2026

60 Sec. A healthy human heart beats 115,200 times in a 24-hour period.

Science Trivia / October 15, 2026

The Moon. The Bay of Fundy, off the coast of New Brunswick, Canada, experiences the highest tides in the world.

Science Trivia / October 15, 2026

NEAR. NEAR stands for "Near Earth Asteroid Rendezvous".