Digit-Al Karma 2,294 Created 14 years ago Recent Submissions 1. ▲ How the modern world turned gray (and why color may be coming back) (bigthink.com) 6 points · 10 days ago · 0 comments 2. ▲ Why Greenland's natural resources are nearly impossible to mine (theweek.com) 100 points · 5 months ago · 85 comments All submissions on HN · View profile on HN