51 NOVEMBER 2025 WorldWide Drilling Resource® Century Products’ Osprey Series Fly Cutters are engineered for maximum performance and reliability. Working closely with drilling professionals from leading infrastructure construction companies in North America, Century’s Engineering Team set out to develop a fly cutter that would excel in the harder soils, gravel, and cobble, as well as the softer sandstone and clay formations. Built from quality steel components with replaceable carbide teeth and jets, Osprey Fly Cutters ensure unsurpassed structural integrity with a full face cutting pattern from shaft to ring. Each is equipped with a concentric forward and aft fluid nozzle pattern and replaceable cutter blocks with rotating teeth. Front and Rear Stabilizer Bars are optional. Hidden Life Beneath Antarctic Ice Adapted from Information by Desert Research Institute Beneath the vast Antarctic ice sheet lies a network of lakes, many of which have yet to be studied by scientists. Recently, the Korea Polar Research Institute (KOPRI) announced the discovery of entirely new microbial ecosystems having thrived in isolation under the West Antarctic ice sheet for thousands of years. This groundbreaking research is the result of a collaboration between international teams, including those from the United States. Mercer Subglacial Lake, located beneath 3500 feet of ice in West Antarctica, has remained sealed off from the outside world for eons. The research team employed a clean hot-water drilling system to penetrate the ice, successfully collecting uncontaminated water and sediment samples. Through genomic analysis of 1374 single-cell amplified genomes, researchers identified the majority of these genomes belonged to species previously unknown to science, distinct from any life forms found in marine or surface habitats. The study revealed microbial communities in the lake exhibited variations based on oxygen levels, employing diverse strategies from heterotrophy (utilizing organic matter) to chemoautotrophy (deriving energy from inorganic substances). These findings offer vital insights into the adaptability and evolution of life in extreme conditions. “Microbes in the subglacial lake have evolved to survive without sunlight, in total darkness, and with extremely limited energy sources,” said Co-first Author Dr. Kyuin Hwang of KOPRI. “They display a range of metabolic strategies - oxidizing either organic matter or inorganic compounds depending on oxygen availability - and this metabolic flexibility is likely the key to their survival.” This research is part of KOPRI’s institutional endeavors and the Subglacial Antarctic Lake Scientific Access project, which is supported by funding from the U.S. National Science Foundation. The expedition to Mercer Subglacial Lake is significant as it marks only the second instance in history where scientists have accessed a subglacial lake without contamination, the first being the Whillans Subglacial Lake in 2013. “This is the world’s first successful single-cell genomic analysis from a subglacial lake, revealing microbial adaptation and evolution in darkness, lownutrient, and high-pressure environments,” said President Hyung Chul Shin of KOPRI. “Of more than 600 known Antarctic subglacial lakes, only two have yielded samples, making this a landmark achievement in polar science. We will continue to lead global efforts to explore and understand earth’s least-known ecosystems.” View showing the drill being removed from the ice borehole. A high-intensity ultraviolet ring surrounds the entrance to the borehole to decontaminate items before entering the lake. ENV j Sand j Manholes j Bentonite j Filter Sock j Sampling Bailers j Clear PVC Pipe j Locking Caps Atlantic Screen & Mfg., Inc. Manufacturers of Slotted & Perforated Pipe Ranging from 1/2” to 24” in Diameter 302-684-3197 FAX 302-684-0643 142 Broadkill Rd j Milton, DE 19968 www.atlantic-screen.com e-mail:sales@atlantic-screen.com
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