The Geology Flannelcast Chris Seminack, Jesse Thornburg, and Steve Peterson

In part 2 of our coal mini-series, we explain the concept of clean coal, emissions from burning coal, and how byproducts of burning coal can be reused.Links: What ‘Clean Coal’ Is — and Isn’t Everything You Need to Know About Clean Coal What is clean coal technology? Synthetic Gypsum Podcast Episodes RSS

This is the first of a two part series discussing coal. In Part 1, we talk about how coal forms, how it is mined, and how it is used. Podcast Episodes RSS

The Flannelcasters discuss everything you ever wanted to know about rivers - what they are, how they work, what controls their velocity, and the top 10 biggest rivers in the world. Podcast Episodes RSS

The Flannelcasters talk about how the early Earth was so warm while the early sun was colder than today, tsunamis in Israel and Alaska, and early humans controlling fire.Links: Chance played a role in determining whether Earth stayed habitable Croatia Earthquake Video Evidence for a massive paleo-tsunami at ancient Tel Dor, Israel 1958 Lituya Bay, Alaska earthquake and megatsunami When Did Archaic Humans Control Fire? Podcast Episodes RSS

The Flannelcasters talk about a new study suggesting that early humans may have hibernated, another study that pushes back the date when early humans arrived in North America, how methane releases in the Arctic Ocean are affected by tides, and salt mines in Louisiana.

This week the boys talk about a meteorite that is older than our solar system, a new official elevation of Mt. Everest, and an announcement about aliens.