FUTURE HUMAN
Is This Trendy $330 Fertility Thermometer a Ripoff?
Scientists are questioning research about its effectiveness
Published in
6 min readJul 25, 2018
In 1935, German priest Wilhelm Hillebrand encountered an important problem: Many of his church attendees were having unwanted pregnancies. Instead of turning a blind eye to the issue, Hillebrand sought to resolve it. He recalled…
