Links to Big History posts:

Big History 001

Big History 002 – Cosmic Calendar

Big History 003 – Origin Stories/Myths

Big History 004 – Scientific Origin Story

Big History 005 – Parallax and the Doppler Effect

Big History 006 – Eclipses & Constellations

Big History 007 – Star Stuff

Big History 008 – Thresholds & Sunspots

Big History 009 – Threshold 4 & Planets

Big History 010 – How Far is it?

Big History 011 – Plate Tectonics

Big History 012 – Craters & Volcanoes

Big History 013 – Layers

Big History 014 – Earthquakes

Big History 015 – Rocks!

Big History 016 – Life

Big History 017 – Paleontology

Big History 018 – Fossils

Big History 019 – Hominids

Big History 020 – Housing

Big History 021 – Artifacts

Big History 022 – Language

Big History 023 – Defenses

Big History 024 – Timekeeping

Big History 025 – Civilizations

Big History 026 – Storytelling

Big History 027 – Presentations

Big History 028 – World Zones

Big History 029 – Latitude & Longitude

Big History 030 – Columbian Exchange