A Traveller's Research
The Sahara is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic. Its area of 9,200,000 square kilometres is comparable to the area of China or the United States. More
Alex Hutchinson, writing for Outside:
In February 2006, Robert Hewitt was scuba diving near Mana Island, off the coast of New Zealand’s North Island. Hewitt was an experienced navy diving instructor with 20 years in the service, and he told his dive buddy that he would swim back to shore himself. Instead, when he next surfaced, he had been pulled several hundred meters away by a strong current. The dive boat had moved on, and Hewitt was left alone, the tide pushing him farther and farther from shore.
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The most pressing challenge facing Hewitt was the water temperature of 61 to 63 degrees Fahrenheit (16 to 17 degrees Celsius), well below body temperature. According to physiological models, when water is 59 degrees Fahrenheit (15 degrees Celsius), the median survival time is between 4.8 and 7.7 hours. Amazingly, Hewitt spent the next 75 hours in the water, drifting back and forth over a distance of nearly 40 miles before he was spotted by Navy diving friends and rescued.
Ada Blackjack was barely five feet tall and 100 pounds and lacked any wilderness skills. Left alone in the arctic, she survived by teaching herself to hunt and trap, pick roots, haul wood, make her own clothing, and avoid hungry polar bears.
Kate Siber, writing in Outside Magazine:
Except for the polar bears, a corpse, and a small house cat named Vic, Ada Blackjack found herself alone on Wrangel Island in late June 1923. Nearly two years had passed since a schooner dropped her off with four young white explorers who intended to claim the Arctic isle for the British.
Blackjack, a petite 23-year-old Inupiaq woman, had come along as a seamstress. Her job was to sew foul-weather clothing out of animal hides so the men could survive the northern winters. The team was planning to live off six months’ worth of supplies and local game before being relieved a year later with a new crew. But when a ship didn’t show up as promised in the summer of 1922, the expedition turned desperate. Three men went for help by dogsled over the ocean ice, some 100 miles south to Siberia, leaving Blackjack on her own to care for the remaining expedition member, Lorne Knight, who was bedridden with scurvy.
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