Upon her arrival at the South Pole Penguin Research Lab, Mary observed her friend Tom tenderly caressing a penguin cradled in his arms. As the offspring of the lab's scientific staff, Mary and Tom were frequently in the presence of emperor penguins, which were under scrutiny to discern how they coped with the harsh climatic conditions—a knowledge that could be instrumental in enhancing human endurance in extreme environments.
"We're thirteen, Tom. It's the age to mature and cease interacting with the lab's penguins as if they were playmates," Mary remarked, commencing her cleaning duties. "These creatures are subjects of research, not domestic animals."
"But these avians are responsive to my touch!" Tom defended, his exhalation manifesting as a mist in the icy atmosphere. "You're merely attempting to become a penguin whisperer once more," Mary retorted, a soft grin playing on her lips as she shook her head. The penguins exhibited a playful demeanor as they strolled, plunged, swam, and frolicked in pursuit of their live piscine quarry before partaking in their meal.
A sudden blare of an alarm, accompanied by the flashing of red lights, interrupted the scene, indicating an issue at hand. The siblings hastened to investigate. "The temperature has plummeted further—there's ice crystallizing on the water's surface," Tom observed. Despite the perpetual cold, Mary had never witnessed ice forming in that location before. Upon inspecting the habitat monitor, she realized that the temperature had dipped significantly. "The heating system must have malfunctioned!"
Promptly, Mary dispatched a message to their parents' research team, who were immersed in field studies outside. With the adults indisposed, the children were left to manage the plummeting temperatures until reinforcements arrived.
As they waited apprehensively, time seemed to dawdle, and the escalating cold induced shivers. "I ponder what emperor penguins accomplish amidst such frigid conditions, considering they remain at the Pole throughout the winter rather than migrating to warmer climates," Mary mused. "They huddle," Tom replied. "They cluster so closely that those in the core remain sufficiently warm." "What occurs with the ones on the periphery?" Mary inquired. "They press inward toward the center, then subsequently migrate back to the periphery, and once again grapple against the flow of their peers to regain the warmth of the huddle's heart. This behavior was documented by scientists in the early 21st century," he stated, his gaze fixed on the sizable assembly of penguins within the lab.
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"I have an idea to stay warm!" Tom shouted excitedly. Two and a half hours later，the parents returned with help.
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