Finance 101: Dow Jones Explained

The Seattle Times

Difficulty: 3/10; Read time: 3 minutes


This is a quick overview of the Dow Jones Industrial Average, and how it is calculated. Answers questions like:

  • What is the Dow Jones industrial average?
  • How is it calculated?
  • Is it relevant to the current economy?


Recommended as a very quick read to understand the basics of the DJIA

Understanding how vaccines work

Center for Disease Control
Difficulty: 4/10
Read time: 10 minutes
PDF can be downloaded here


This is a brief primer provided by the CDC explaining the details of how vaccines protect the body from subsequent infection. It outlines general concepts including

  1. How vaccines work
  2. Different types of vaccines
  3. Why some vaccines require multiple doses


Recommended as a short overview of how vaccines work, and why they are important.


U.S. Trade Policy Primer: Frequently Asked Questions

Congressional Research Service
Difficulty: 4/10

PDF can be downloaded here


This is a trade policy primer designed to answer frequently asked questions about US trade policy. It focuses on five main topics.

  1. Basics of Trade
  2. US Trade Trends
  3. Formulation of US Trade Policy
  4. US Trade Policy Tools
  5. Link Between International Investment and Trade


Highly recommended as a well-written primer on basic trade concepts, and US trade policy in general. Not a short read, but worth the effort if you are new to the topic, and interested in understanding international trade and it’s impact on the economy.