title: Explanation of different conda channels
body: <p>What are the major conda channels, and what are their focuses? I can't seem to find any documentation on what major channels are available and when to choose one over the other. What is the relationship to the "default" channel? How does one decide what order to put them in? In general, I use</p>
  
  <ul>
  <li><code>anaconda</code></li>
  <li><code>conda_forge</code></li>
  <li><code>r</code></li>
  <li><code>bioconda</code></li>
  <li><code>defaults</code></li>
  </ul>
  
  <p>But I've been running into some problems with my environment breaking. </p>