20 DOG GUY “Explain it to me again. Explain it like I’m six years old.” Lennox hadn’t seen Tally this excited in, well, forever. She waved her hands, and sugar from the donut she was holding sprinkled all over the break-room table like tiny snowflakes. “There’s a possibility we can make the olfactory cell lines immortal.” “Like vampires, yes, I got that part. How?” “Not like vampires because vampires don’t exist.” Tally rolled her eyes. “More like HeLa, except the mechanism’s quite different. HeLa originated from a cancerous tumour. ORN2708 was created in a lab via expression of a viral tumour antigen.” “How many six-year-olds do you know who understand the meaning of ‘viral tumour antigen’?” “Okay, okay, fine. The researchers took nose cells from a dead puppy, then gave them a vir

