In the last part of Jeffries' speech, he goes through the letters of the alphabet with pairs of words (with rather opposing qualities) in order to describe some principles of the Democratic Party. The speech is affectionately known as the ABCs of Democracy.

Both the Mississippi River and the Colorado River have a huge impact on the lives of millions of Americans. While there have been severe droughts leading to a lack of drinking water, there have also been floods because of quickly melting snow.

It's been a stormy and fiery year in the United States, both weather-wise and in the government.

What's the difference between "clean" and "dirty" energy? Sigrid reports on different kinds of energy and discusses trends in heating our homes.

What's the difference between disinformation and misinformation? And what about misleading information? Find out in this video.

Audio and video sources can be factual, and can be used as evidence, but they can both be doctored, too. When we don't have the facts, we might have hearsay, but can we trust it?