Buzz·Posted on 13 Feb 201412 Valentine's Cards For The Science Nerd In Your LifeCut one out and give it to your sweetheart to tell them they are the ln(e).by by Kelly OakesBuzzFeed Staff, UK , by Matthew TuckerBuzzFeed StaffFacebookPinterestTwitterMailLink 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.