The night before final exams.
The Peking University Library was brightly lit.
In past years, at this time, the Agricultural College's territory was always under a cloud of gloom, with the sound of turning pages and sighs rising and falling.
But tonight was different.
There was no despair in the air; instead, a strange excitement was in the air. Groups of students gathered around, not with thick Soviet textbooks spread out in front of them, but with stacks of yellow rough paper notes, their edges curling and smelling of ink.
"Here, chromosomal inversion, look at the diagrams Lin Wan Yi drew!" The girl with braided pigtails who had been on the verge of tears earlier was now like a little teacher, pointing at the comic-style diagrams on the notes, "The normal chromosome is like building blocks ABC, inversion is like flipping the middle part B, changing the order to ACB. Now look at this mnemonic, 'Head and tail stay, middle turns,' isn't it easy to remember?"
