piercebot Karma 433 Created 12 years ago Recent Submissions 1. ▲ Return to the moon: The race we have to win (again) (space.com) 2 points · 2 years ago · 0 comments 2. ▲ Artificial spider silk provides sustainable alternative to single-use plastics (phys.org) 83 points · 4 years ago · 19 comments 3. ▲ Ask HN: How much credit do you take for your accomplishments? 1 point · 4 years ago · 0 comments All submissions on HN · View profile on HN