509engr Karma 62 Created 7 years ago Recent Submissions 1. ▲ Sputnik's radio tech launched a revolution in bird migration research (engadget.com) 1 point · 2 years ago · 0 comments 2. ▲ War halts project to track wildlife from space (science.org) 2 points · 3 years ago · 0 comments All submissions on HN · View profile on HN