hydrogenbonds Karma 7 Created 5 years ago Recent Submissions 1. ▲ Tip HN: Chrome extension will greatly improve your productivity and calendar (chrome.google.com) 4 points · 5 years ago · 1 comment 2. ▲ Puppy Pregnancy Syndrome (en.wikipedia.org) 2 points · 5 years ago · 2 comments All submissions on HN · View profile on HN