Lost in the woods? A drone may find you Each year, hikers and mountain bikers get lost or injured in the wilderness. Search and rescue efforts can involve 20 or more people. But a new “smart” drone can follow hiking trails without a pilot’s assistance. This could allow rescuers to search more efficiently, scientists report. In the United States alone, as many as 34 million hikers hit the trails each year. Some of those trekkers invariably get lost. To find them, a small army of rescuers may scour the woods…
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