What's hidden among the tallest trees on Earth? - Wendell Oshiro

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Some people can't see the forest for the trees. But before Stephen Sillet, no one could see or even imagine the forest in the trees. Stephen was an explorer of new worlds from the start. He spent his boyhood in Harrisburg, Pennsylvania, reading Tolkien and playing Dungeons and Dragons with his brother Scott. But when the Sillet family visited their grandparents' cabin near Gettysburg, their grandmother, Helen Poe Sillet, would take the boys into the nearby mountains and forests to birdwatch. They called Grandma Silit Po, and she taught the boys to identify songbirds, plants, and even lichens, creatures that often look like splotches of carpet glued to the shady sides of rocks and tree trunks. Looking upwards, both boys found their callings. Scott became a research scientist specializing in migratory birds. Stephen was more interested in the trees. The tangle of branches and leaves attracted his curiosity. What could be hidden up there? By the time Stephen was in college, that curiosity pulled him skyward to the tallest trees on Earth, the ancient Coast Redwoods of Northern California. Rising from trunks up to 20 feet in diameter, redwoods can grow up to 380 feet, or 38 stories, over a 2,000-year lifetime. But no one had thought to investigate the crowns of these natural skyscrapers. Were there more than just branches up there? Stephen decided to find out firsthand. In 1987, Stephen, his brother Scott, and his friend Marwood drove from Reed College in Oregon to Prairie Creek Redwood State Park in Northern California. Deep inside the park, Stephen picked the tallest redwood he could find. Its lowest ranches were almost 100 feet up, far beyond his reach. But he saw a younger, shorter redwood growing next to the target tree. With a running start, he leapt and grabbed the lowest branch, pulled himself up, and scurried upwards. He was free climbing without ropes or a harness. One misstep meant death. But up he went, and when he reached the peak, he swayed and leapt across the gap of space onto a branch of the target tree and into a world never seen before. His buddy Marwood followed him up, and the two young men free-climbed high into the redwood's crown. Stephen