ArcaMax

Knowledge

on Feb 9, 2026

Preface Fossil
Annex Fossil
Index Fossil
Content Fossil

Index Fossil. Index fossils are used to define and identify geologic periods or faunal stages.

Science Trivia / February 08, 2026

Alan Shepard. Though Alan Shepard was the first American to go into space, fellow astronaut John Glenn was the first American to orbit the earth.

Science Trivia / February 08, 2026

Ocean Acidification. There is much controversy over claims that the ocean's pH is changing.

Science Trivia / February 07, 2026

164.79 Earth Years. Methane gives Neptune its blue color.

Science Trivia / February 07, 2026

Solar Storms. A solar storm caused the 1989 blackout in Quebec.

Science Trivia / February 06, 2026

9. Pluto is no longer considered a planet.

Science Trivia / February 06, 2026

Fibrillation. Fibrillation is the rapid and irregular contraction of the muscle fibers of the heart.