Scientists just found a microscopic network of tunnels in desert rocks that look way too organized to be random. Some experts think these hair-thin tubes could be traces of a totally unknown ancient lifeform that once burrowed through solid stone—how wild is that? The tunnels show up in rocks from Namibia all the way to Saudi Arabia, and nobody’s sure if they’re biological or just a super weird geological fluke. Either way, it’s a mind-bending mystery! #Science #science #geology