Wall built with volcanic stones and whale oil in the Cerrado intrigues researchers in Goiás
Researchers are baffled by a 15 km wall in Paraúna, Goiás, made from volcanic stones and whale oil, with unclear origins that may date back to ancient oceanic formations or human construction.
Earthquake in Mar del Plata: what it means and what effects it can have
A 4.9 magnitude earthquake surprised the Buenos Aires coast, raising concerns in a region where tremors are rare.