Meet Phil: MIT grad student, food lover, fitness enthusiast, literature buff, organic chemist by day... superhero by night. Sign-up to follow the series: http://bit.ly/MYMkSr Music: "Let Me Back In." Performed and recorded by Negative Ghostrider.

The students test their antibiotics on E. Coli bacteria. Even though Jason and Julie are working together, they don’t seem to have forgotten their battle over the biggest crystal. Sign-up to follow the series: http://bit.ly/MYMkSr

The students work in teams to synthesize brand new antibiotics, and Dan and Hansol make a big mistake. Sign-up to follow the series: http://bit.ly/MYMkSr