ArcaMax

Knowledge

on Nov 21, 2025

Leaf
Stem
Root
Seed

Leaf. In the fall, leaves stop producing chlorophyll, which allows the other colors in the leaf to show through.

Science Trivia / November 20, 2025

A Moving Fluid. Bernoulli was a Dutch-Swiss mathematician known for his work in fluid mechanics.

Science Trivia / November 20, 2025

Relative Humidity. "Absolute humidity" is the quantity of water vapor in a given volume of air, expressed by mass.

Science Trivia / November 19, 2025

1957. Project Mohole was an attempt to drill through the Earth's crust.

Science Trivia / November 19, 2025

Military Anti-Shock Trousers. MAST stands for military anti-shock trousers, used by paramedics to stabilize people who have pelvic fractures.

Science Trivia / November 18, 2025

Uranus. Uranus is theorized to have been hit by something large millions of years ago, causing its odd rotation.

Science Trivia / November 18, 2025

1738. John Lining, an English soldier, started keeping records of the weather in 1738.