Readers respond to antibiotics, carbon bonds and more
Your comments on the December 24, 2016, and January 7, 2017, issues of Science News
Power struggle
Ninety percent of people who believe that they are allergic to penicillin are not, Emily DeMarco reported in “Most penicillin allergies are off base” (SN: 12/24/16 & 1/7/17, p.