At eight in the morning, the classroom was packed.
When the class bell rang, Song He entered on the dot, his gaze sweeping casually across the room.
"Thirteen unfamiliar faces have snuck in. Please leave within one minute!" Song He announced.
Immediately, some students turned red with embarrassment and stood up. Amid the orderly counting from the entire class, they left one after another. In the end, there were exactly thirteen of them, which prompted a burst of laughter.
After the audit-student examinations had ended, this had become a daily staple. There were always people trying their luck by sneaking into class. Every time Song He entered and swept his eyes across the room, he could immediately announce how many students had snuck in, and he was right every time. It had become a favorite story.
As usual, he picked up a piece of chalk and wrote two lines in the lower-right corner of the blackboard:
Chenghuang Stomach Cancer Drug: Lesion Elimination Rate 27%
Ilima Stomach Cancer Drug: Lesion Elimination Rate 11%
The moment the data was written down, the classroom erupted!
Yesterday, the figures had still been 13% and 11%. How had the first one jumped so much today?!
"Teacher, did you write it wrong? Shouldn't it be 17%?" someone immediately asked.
"It's not wrong. These are the latest figures, released just an hour ago!" Song He beamed. "They're the average results from four drug-testing institutions. Yesterday, the efficacy of the Chenghuang Stomach Cancer Drug suddenly exploded. The lesions in a large number of mice disappeared overnight. In just twenty hours, the lesion elimination rate rose from 13% to 27%!"
Another uproar rang out in the classroom.
"That means the effect more than doubled in a day!"
"Damn, the gap has opened up!"
"Holy crap, this is exciting! A