You Meet Zack

A young man with goatee sits up. "Yo. Who turned on the lights?" he grumbles, rubbing his eyes.

"I did," you say, and introduce yourself.

"I'm Zack," he says, still half-asleep. "It was a lot cooler here than in my dorm, so.... What's that?" he says, pointing at your bottle of milk.

You tell him all that's happened. "Cool," Zack says. "Right. So we have to find the whatchamacallit, the pathogen, in the milk. And like if we make one tiny error we start oozing blood from every pore. Grand. This is it, man! This is raw science! Let's get started."

Continue with the mystery

An Access Excellence Science Mystery sponsored by Genentech, Inc.