sperm Karma 72 Created 9 years ago Recent Submissions 1. ▲ Ask HN: Startup advice for k9s? 1 point · 8 years ago · 0 comments 2. ▲ Female dragonflies fake sudden death to avoid male advances (newscientist.com) 2 points · 8 years ago · 0 comments 3. ▲ Men and women can't be just friends (scientificamerican.com) 35 points · 8 years ago · 38 comments All submissions on HN · View profile on HN