Best of 2017! These are some of the top-posts in terms of up-votes, number of comments, and relevancy to futurology from the 2017 year.

This thread will be in "Contest Mode" so comments will be randomized and not sorted by up-vote count. Feel free to suggest your own links to the categories below as well.

Here are the categories and the links to the original Reddit thread submission.

Physics/Chemistry

AI/Robotics

Space

Biotech

Society

Economics

We'll keep the post open for a week or so then announce the results.