This was the first time facing the cunning and adaptable Mutant Creatures. Lin Yu fired a burst, launching incendiary grenades that struck several of them, leaving them with burning Wings as they let out desperate cries, unwilling to abandon the already injured Chef.
After the flames died down, they unexpectedly changed their attack strategy. They appeared weak, flying low before suddenly rising and swooping over Lin Yu's head, heading straight for Xiao Qiang and Wen Kai...
Xiao Qiang was unfazed, ready to confront the threat at any moment. The key concern was Wen Kai; if she lost her protection, she would be captured by the Mutant skeletons.
At that moment, they were in a passive position. Lin Yu, anxious, quickly turned to rescue Wen Kai after a round of gunfire... Just as she turned around, a Skeleton Mutant hidden in the shadows suddenly appeared, feinting an attack that caught everyone off guard. The Chef had already become its prey...
"Damn it... beast..." Xiao Qiang rushed past Lin Yu, handing Wen Kai over to her care before sprinting after the Skeleton Mutant that had taken the Chef.
The Chef struggled fiercely, wielding a bone saw and hacking at the Skeleton Mutant's abdomen... With a splatter, a pile of foul-smelling organs fell from midair, landing just half a foot away from Xiao Qiang's head.
As the Skeleton Mutant carrying the Chef was gutted, it loosened its grip, and the Chef plummeted like a meteor...
Xiao Qiang darted forward like an arrow and caught the Chef securely...
The Chef was gravely injured; a gash had opened up on his neck artery, blood gushing forth like a fountain. In moments, his once strong and fierce gaze turned filled with desperation—he clung tightly to Xiao Qiang with one hand, his lips moving as if pleading for something. A glimmer of longing flashed in his eyes before he trembled all over, his legs kicking for a long while—(as if trying to break free from some Shu Bo)—his pupils dilated, and with a sigh, he seemed to release his last breath as his head tilted and he passed away...
Lin Yu and Xiao Qiang witnessed for the first time how a person walked from the edge of life to the brink of death. Life was as fragile as a thread, floating between good and evil; when faced with adversity, it could not withstand the winds and rains and would snap silently. It could also be like kindling—ignited and crackling to illuminate the surrounding darkness, offering those in need a glimmer of light along with an ephemeral warmth that could not be forgotten.
Dust gathered above them more and more; the buzzing sound grew thick and heavy like rolling thunder rumbling across the Ground. Each powerful rumble felt as if this Stratum was about to collapse, creating an instinctive sense of impending disaster.
Xiao Qiang and Lin Yu did not continue running; they both had a premonition... The sunlight on the Ground would soon seep through due to the collapse of the Stratum. In places where sunlight shone, Skeleton Mutants would not dare approach easily; this area was their safe zone.
Lin Yu was tense, looking up at the makeshift shelter... Sixty trillion cells whispered among themselves; though their voices were extremely soft individually, together they sounded like waves rolling in unsteady rhythms beneath the trembling power of the Ground. She might have been worried about whether the sun's intensity would possess lethal force? Her slightly weary face reflected various complex emotions.
Xiao Qiang understood what she was concerned about. He moved his lips and softly said, "The UV rays produced by strong light are deadly to Skeleton Mutants; they are powerful beams capable of killing. Their wavelength is shorter than visible light but slightly longer than X-rays, generally ranging from 10 nanometers (nm) to 400 nanometers. Once the Stratum collapses successfully and sunlight seeps in below it, most creatures that cannot see light will be affected—including us..."
"Why are we—?"
"If you stay in the Stratum for too long, strong light will first harm the retina—your eyes."
"Oh." Lin Yu suddenly felt that aside from the strong vibrations coming from the Ground, there were no signs of the Skeleton Mutants. They might belong to a highly intelligent mutated species, perhaps even possessing a subconsciousness similar to that of humans! Once the tense and strained nerves relaxed, their bodies would enter a state of rest. Both of them felt an overwhelming urge to sleep...
Wen Kai fought against the pain, biting his lip so hard that deep purple marks appeared. His gaze was filled with guilt as he stared at Xiao Qiang for a long time.
"Hang in there, buddy. You're not one to give up easily. Today, though, it seems you've lost everything..." Xiao Qiang rarely joked, and when he did, it hardly brought any laughter.
Embarrassed, he closed his mouth and glanced at the drowsy Lin Yu. "Whatever you do, don't fall asleep. If this sound from the Ground is caused by Wu Yi and the others, and if the area of collapse increases while we're asleep... well, you can imagine the consequences..."
Lin Yu understood what Xiao Qiang meant. The Stratum was continuing to collapse; they couldn't leave or afford to be careless and fall asleep. If the area of collapse widened while they were unconscious, they could very well be buried under the debris.
Faced with his earnest gaze, she mechanically nodded, trying hard to revive her waning spirits. She intertwined her fingers and rubbed them together. "Then let's discuss some general knowledge questions?"
Xiao Qiang admired Lin Yu's bravery and strength. He nodded in agreement. "You ask, I'll answer."
"Besides the ultraviolet rays produced by sunlight that harm these Mutants, would artificially created ultraviolet light sources, like low-pressure mercury arcs or high-pressure mercury arcs, also be lethal to them?"
"They would."
"What would happen if humans accidentally entered a Nuclear Radiation zone?"
Xiao Qiang secretly smiled; Lin Yu was just trying to make conversation to delay sleep by bringing up this widely known topic.
"Radiation is divided into Ionizing Radiation and Non-Ionizing Radiation, with Nuclear Radiation primarily consisting of alpha, beta, and gamma rays. Alpha rays are helium nuclei that can be blocked by a sheet of paper, but they pose significant danger if inhaled. Beta rays are streams of electrons, specifically high-speed electrons (0/-1e), which have strong penetrating power but weak ionization effects. In the physical world, there is no distinction between left and right, yet beta rays do exhibit such a distinction. When they irradiate the skin, they cause noticeable burns and can gradually penetrate deeper after damaging the skin's surface... ultimately threatening life."
Lin Yu focused intently on Xiao Qiang's answer. Although the information was trivial to him, Xiao Qiang spoke with such concentration that it sparked Lin Yu's own cognitive engagement, keeping his brain active. A new question arose: "Do the radiation sources of alpha and gamma rays pose a threat to the human body?"
Xiao Qiang responded with a shy smile; as a top student, Lin Yu was well-versed in this common knowledge. However, since the question was asked, he felt compelled to answer seriously, treating it as an oral exam. He nodded with a smile and said, "These two types of rays have low penetrating power and only affect nearby areas; as long as the radiation source does not enter the body, the impact will not be significant. Gamma rays have strong penetrating power and are a type of electromagnetic wave with a very short wavelength..."
Before he could finish, a deafening noise erupted from the collapse of the stratum, causing their eardrums to buzz. Xiao Qiang did not hesitate and quickly helped Wen Kai move to a safer area.
At that moment, Lin Yu's wristwatch suddenly connected, emitting crackling electromagnetic interference sounds. Then came Wu Yi's muddled voice: "Lin Yu, Xiao Qiang, please respond if you receive this. Over!"
"They... it's really them." Lin Yu felt a surge of emotion, tears welling in his eyes as he hurriedly followed Xiao Qiang to dodge the falling dust and rocks while tremblingly replying, "Received, over!"
Xiao Qiang was also very happy; although he no longer had the strength to carry Wen Kai, he stubbornly supported him step by step out of the dark area. They waited for the sunlight to seep in...
"Report your exact location and move closer to the Skeleton Mutant nest as soon as possible."
Lin Yu was surprised; this time it wasn't Wu Yi responding but rathe Professor R R... Amidst his astonishment, he understood that they were intended to be bait for eliminating the Skeleton Mutants.
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