Geobulletin alpha

Los mundos prehistóricos de Allen St. John 

James Allen St. John (1872 - 1957) fue un ilustrador estadounidense cuyos trabajos en el campo de la  literatura pulp de aventuras, ciencia ficción y fantasía sirvió de inspiración para artistas como Roy Krenkel o Frank Frazetta. A continuación os mostramos algunas de sus obras de temática prehistórica para revistas como Amazing Stories o novelas de Edgar Rice Burroughs -creador de Tarzán y John Carter of Mars-, más info e imágenes aquí y

Born This Day: Edgar Rice Burroughs 

Edgar Rice Burroughs (September 1, 1875 – March 19, 1950) was an American author, best known for his creation of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres. Pellucidar is the hollow Earth milieu for a series of stories featuring David Innes and his inventor friend Abner Perry which they discover using an "iron mole" to burrow

Global Conditions Favorable for Life on Mars 

“Minerals in northern Mars craters seen by two orbiters suggest that a phase in Mars’ early history with conditions favorable to life occurred globally, not just in the south. ‘We can now say that the planet was altered on a global scale by liquid water about four billion years ago’, said John Carter of