Across Egypt, drill holes and stone cores show strange grooves and machining signatures carved into granite, basalt, and diorite. Researchers say some of these marks look like spiral cutting, implying ...
New method also detects molecular signs of photosynthesis almost 1 billion years earlier than previously documented; Combining chemistry and AI, pioneering method could revolutionize search for ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results