Deep English

  • Why Choose us
  • Contact
  • Members
  • Daily Dose
  • Free Lessons
  • True Stories
  • Fast Fluency Formula
[topvideo] [getstartedvideo] [shadowingvideo]
Image of a scientist

Sloppy Scientist Saves A Hundred Million Lives

Mold is all around us. In the air and on our food, it can make us sick and gross us out, but not all molds are bad. Some can make delicious food and others can save lives. One famous mold, discovered by accident by a sloppy scientist, became the first antibiotic medicine: penicillin.

Copyright © 2011~2023 DeepEnglish.com | Fluency Course | Contact | Members | Articles | Privacy Policy | Terms of Service