De hecho, la ascensión de los vikingos no fue un acontecimiento repentino, sino que formó parte de un largo continuo de desarrollo humano en el norte de Escandinavia, cuyas largas e intrincadas costas marinas y archipiélagos condujeron al surgimiento de una cultura basada en la tierra, pero muy dependiente del mar.
articles
A First Look at Geographic Variation in Gentoo Penguin Calls
Vocal communication is central to the lives of many birds, which use sound to attract mates and defend territories.
Large iceberg breaks off Pine Island Glacier
Latest satellite images reveal a new 100-square-mile iceberg emerging from Antarctica’s Pine Island Glacier. The calving event did not come as a complete surprise, but is a troubling sign with regards to future sea level rise.
Removing nitrate for healthier ecosystems
Nitrogen can present a dilemma for farmers and land managers.
Epileptic seizure event leads professor down new path of discovery
The majority of people who are touched by an epileptic seizure event can only endure the terrifying moments and put their faith in doctors to help their loved one. The University of Lethbridge’s Dr. Artur Luczak, however, was in a position to do much more when his infant son suffered a seizure, and what he’s learned about seizures since has flipped the script on understanding how the brain functions during these traumatic events.
Climate Change: Some Lessons From the Vikings
One June day in the year 793, men in ships landed on Lindisfarne, an island off eastern England occupied by a monastery. The men, apparently from the north, plundered treasures, overthrew altars and set fire to buildings. They killed some monks and carried others off in chains; others, they stripped naked and left behind to the mercies of the weather. The attack shocked European Christian society. They came to mark it as the official start of the Viking Age, when Norse raiders ranged as far as the southern Mediterranean and northern Asia, before seemingly fading out some 250 years later.