From small anchor holes to large diameter holes in concrete with heavy rebar, the new Hilti Diamond Coring Tool DD 250 delivers fast drilling speeds and more than enough torque to get the job done.

Barbante also directs the Polar Science Institute at Italy's National Research Council.The same team previously drilled a core about 800,000 years old. The latest drilling went about 1.7 miles ...

The same team previously drilled a core about 800,000 years old. The latest drilling went 2.8 kilometers (about 1.7 miles) deep, with a team of 16 scientists and support personnel drilling each ...