Chinese scientists have developed a rapid e-waste mining method that extracts gold in under 20 minutes at around one-third of ...
Greenland’s harsh environment, lack of key infrastructure and difficult geology have prevented anyone from building a mine to ...
Rare earth elements are an easy-to-find, hard-to-refine resource critical for everything from magnets and electronics to ...
Religious rights advocates and First Amendment experts say the ability of Native peoples to exercise religious rights is at ...
Understand the replacement chain method, a crucial capital budgeting tool for comparing projects with different life spans. Explore how it works, its requirements, and alternatives.
National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...
CJK Milling plans to use flotation method to extract gold from waste rock at Leadville Mill. Permit amendment submitted for approval.