Each week, Reddit’s artist-in-residence Shitty_Watercolour will illustrate a sampling of Reddit’s best comments, handpicked from some of his favorite communities like Ask Reddit, Shower Thoughts, and more.

In this week’s feature for Upvoted, Shitty (okay, real name: Hector Janse van Rensburg) has brought to life posts from the Reddit community Ask Reddit, prompting: What do you think is the absolute coolest thing that humanity has ever done?

— Reddit user SonOfYossarian

— Reddit user Kurith

— Reddit user L__P

— Reddit user turinhalfheart

— Reddit user SergeantHiro