Jeffrey Nolen

14 Flips | 1 Magazine | @jeffnolenjr44 | Keep up with Jeffrey Nolen on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Jeffrey Nolen”

Olimpiada de Geograf on Twitter: "Chichen Itzá: Quetzalcóatl o la serpiente emplumada "bajando" por la pirámide, (equinoccio de primavera) http://t.co/XnzOVmKAdI"

Add this Tweet to your website by copying the code below. Learn more<p>Add this video to your website by copying the code below. Learn more<p>Hmm, there …

TZ VIAGENS

sunset in la paz, bolivia photo

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amazing pic! RT @Cosmo_Noticias Entre la Tierra y el espacio, en Ojos del Salado (por Serge Brunier) http://t.co/xF9FE90pIM

Volcanoes Actually ‘Scream’ Before Exploding — and Here’s Your Chance to Hear One

Just before a volcano spews hot ash and lava in an eruption, it might in some cases emit a high-frequency “scream.”<p>A study by the University of Washington of the 2009 explosion of Alaska’s Redoubt Volcano recorded such a “harmonic tremor,” which researchers believe could provide clues as to what …

RT @dCofradias: El misterio de la Carreteria tras salir de la Catedral en la noche del Viernes Santo. http://t.co/fdIW8ieVJb