zdiscov Karma 40 Created 11 years ago Recent Submissions 1. ▲ How did Earth get its water? (space.com) 2 points · 3 years ago · 0 comments 2. ▲ Does Corona virus squish or shatter (nytimes.com) 1 point · 4 years ago · 0 comments All submissions on HN · View profile on HN