Seeing Shen Jin arrive,
Old Fu took off his disposable gloves and habitually tossed them into the trash, then thought for a moment and fished them back out.
"Xiao Yun, go wash these gloves and hang them up to dry."
"Okay, Professor Fu."
The female university student assistant named Xiao Yun had a sweet way of speaking, which made Old Fu very fond of her.
"Boss, we've made 307 bottles of serum so far. They're all here."
Fu Wei opened a refrigerator densely packed with 307 bottles of clear serum.
"Good, I'll take these. Keep making them, and ask me if you run out of materials."
With a wave of his hand, Shen Jin put them all into his inventory, where they took up five slots, then walked out.
In the laboratory, everyone was still busily producing the "Gene Optimization Serum 1.0."
Old Fu had already taught two doctoral students how to perform the final mixing, freeing himself from the repetitive work.
"How exactly do crystal cores grow? Can humans have crystal cores of their own? Why can the energy inside them be directly absorbed by the human body and converted into special abilities and physical strength?"
Fu Wei took a bottle of [Energy Serum] that Shen Jin had previously given him out of the refrigerator and placed it under the microscope.
After receiving Shen Jin's notification, Shang Qian hurriedly printed several notices and posted them in the matchbox housing area where the survivors lived.
The notice mainly covered four points:
1. Home No. 1 Base is now supplying "Gene Optimization Serum," which can more than double your physical capabilities. Anyone wishing to obtain it must pay ten Energy Crystal Cores. If you don't have them, that's fine too: you may buy on credit and repay in installments, as long