Pediatric patients with sympathomimetic toxicity present with the same signs and symptoms observed in adults. One study noted that some pediatric patients with sympathomimetic toxicity initially presented with inconsolable crying, vomiting, and abdominal pain.
For the next 24 years, they drilled on and off into the Earthâs crust. The result was the Kola Superdeep Borehole and a drill-depth of more than 7.5 miles (12 kilometers). To put that in perspective, Kola descends further than the deepest point of the ocean, which lies at nearly 6.8 miles (11 kilometers). The borehole is located on the Kola Peninsula of Russia.
Good news: China claims it has discovered the world's largest hole. On Wednesday, state broadcaster CCTV announced that the newly found dragon's hole, a 984-foot (300-meter) cavern in the disputed waters of the South China Sea, is now the world's largest hole.