Nautilus

By cienciargos | Revista sobre el mar y el agua en los seres vivos

El coral rojo de Córcega, antes de su explotación, mayor de lo pensado

Un trabajo del Consejo Superior de Investigaciones Científicas (CSIC) presentado ha revelado que el Mediterráneo, antes de la intensificación de la …

Arqueólogos descubren necrópolis bajo el Monte Saint Michel

Arqueólogos franceses confirmaron el hallazgo de una necrópolis medieval (cementerio o lugar destinado a enterramientos) debajo del Monte Saint …

Al rescate de tortugas ahogadas por la pesca en Valencia

Caen en redes de pesca cuando bucean por las aguas cálidas del Mediterráneo valenciano. A la velocidad del rayo son arrastradas hasta las …

La batalla de Iwo Jima en imágenes

Como en todo conflicto bélico, durante el transcurso de la Segunda Guerra Mundial se vivieron ciertos momentos que resultarían clave para determinar …

Peligro en las llanuras húngaras

Rodeados de la madera que flota en las aguas del <b>río Tisza</b>, varios ciervos sobresaltados tratan de huir del bloque de hielo sobre el que se encuentran.<p>…

Investigan un cementerio de barcos de la Primera Guerra Mundial en el norte de Escocia

Varios naufragios de la Hochseeflote, la Flota de Alta Mar del Imperio alemán, permanecen en el lecho marino de Scapa Flow, en las islas Orcadas, …

Where to Vacation with Adorable Baby Turtles

Sea turtles know how to choose the friendliest beaches. These nine hotels around the world help guests participate in conservation efforts.<p>Sea turtles have great tastes in beaches. All seven species need sandy, wide, and warm beaches not for relaxing, but for laying their clutches that typically …

Beaches

Yucatán, viaje por el Caribe mexicano

Desde el imán de las ruinas mayas diseminadas por todo el entorno hasta espléndidas ciudades coloniales; desde insondables cenotes de aguas …

How Snakes, Spiders, and Other Predators Fool Their Prey

When animals in the wild get duped, it could be deadly.<p>These days, misinformation is a term that’s wildly thrown around. But in the actual wild, misleading communication techniques are means to meals for many species.<p>“It’s a form of deception that we call aggressive mimicry,” says Fiona Cross, a …

Zoology

Meet the OLogist: Ana Luz Porzecanski

Wife Discovered With Husband’s Heart, Centuries After Death

First evidence ever for this uniquely romantic gesture confirmed by French scientists.<p>The 17th-century burial of a French noblewoman that included the embalmed heart of her husband is not only a <i>trés</i> romantic gesture, but also a scientific phenomenon that has never been seen before in archaeology, …

Ancient History

Baby ‘Sea Monster’ Found Inside Fossil Mother

The long-necked pair offer rare evidence that an ancient group that included dinosaurs and birds was capable of live birth.<p>Finding a creature curled inside the belly of an ancient sea beast might not seem surprising at first. After all, the huge fossil belonged to a water reptile with a …

Paleontology

Underwater Cave Discovery Features Stunning Red Coral Garden

“Cave b” harbors the most dazzling population of red coral in the Mediterranean, but its discovery calls for renewed conservation efforts.<p>In a shallow underwater cave off the southern coast of France, a team of scientists and conservationists discovered a stunningly pristine population of …

Scuba Diving

Antarctica’s Sea Ice Shrinks to New Record Low

The latest daily figures may confirm a disturbing trend in global melting.<p>Sea ice in Antarctica has hit a worrisome milestone, reaching its lowest recorded extent this week, according to data from the U.S. National Snow and Ice Data Center. The daily ice area recorded on Tuesday represents an …

Global Warming

How One Brilliant Woman Mapped the Ocean Floor’s Secrets

Marie Tharp’s incredible maps were integral to the acceptance of the plate-tectonic theory.<p>She is one of the most underappreciated scientists in the history of the earth sciences.<p>Though Marie Tharp was a geologist whose work contributed to the ultimate acceptance and success of the plate-tectonic …

Humanities

Documentos RNE - La circunnavegación de la Tierra: Fernando de Magallanes y Juan Sebastián Elcano - 11/02/17

Cuando el humanismo dominaba el pensamiento europeo y los avances en la navegación y en la cartografía, desarrollados desde el siglo XV, preludiaban …

¿Por qué explotan las ballenas muertas?

Los cadáveres varados de trescientas ballenas piloto yacen en una playa del sur de Nueva Zelanda. Pero, más allá de las tristeza que produce el …

Neandertales y sapiens cazaban de la misma forma en Covalejos

Miles de huesos de animales enterrados en la cueva de Covalejos (Cantabria) revelan que neandertales y sapiens seguían estrategias de caza similares …

Watch the Elaborate Courtship of Three Gray Whales

Rare video footage captured off the coast of California shows three gray whales engaged in complex mating rituals.<p>Passengers on a whale-watching tour were treated to a surprise when they spotted not two, but what appeared to be three gray whales mating off the coast of Newport Beach, California …

Nature

New Dead Sea Scroll Find May Help Detect Forgeries

Looters plundered the cave decades ago. But archaeologists are thrilled by what they left behind. Here’s why.<p>The discovery of a twelfth cave associated with the famous Dead Sea Scrolls may arm scholars with new clues to deter looters and detect modern forgeries of the ancient documents.<p>Earlier this …

Archaeology

Arctic Ice Isn't Doomed Yet—Here's How to Save It

Crazy warm winters haven't pushed Arctic ice beyond a “tipping point.” Every ton of CO2 we don't emit saves 32 square feet of it.<p>During the long, sunless Arctic winter, temperatures normally plunge far below zero; sea ice thickens and spreads. But throughout most of 2016, conditions in the Arctic …

Global Warming

The inland seaport that wants to widen a river

The Port of Hamburg has been a hub of maritime activity for nearly 900 years – but sitting 120km from the North Sea is making it hard for the new breed of vast superships to reach it.<p>A low metal fence is all that separates you from the machines that roam the dockside. Looking like the lower part of …

Hamburg

Watch: Bizarre Deep-Sea Squid Has Mismatched Eyes

Scientists have finally figured out why the cock-eyed squid has such strange peepers.<p>Fishermen have wondered about the “cock-eyed” squid's mismatched eyes for more than a hundred years.<p>Its bulging left eye is big and yellow, whereas the right eye is much smaller and clear.<p>“They are freaky and weird …

Nature

Nuevos análisis revelan cuál era el propósito de los enigmáticos círculos gigantes del Amazonas

Los primeros círculos aparecieron en los años 80. Trincheras circulares de cuatro metros de profundidad y alrededor de diez de anchura. Hoy se …

El efecto beneficioso del consumo de almidón sobre la resistencia a la insulina ocurre independientemente de la microbiota intestinal

Un estudio internacional con ratones muestra el efecto beneficioso del almidón resistente sobre la resistencia a insulina incluso sin la mediación de …

Hallan una nueva cueva vinculada a los Rollos del Mar Muerto

Todo comenzó a finales de 1946 cuando unos pastores beduinos hallaron, en la orilla del Mar Muerto, una serie de cuevas en las que se acumulaban …

Los astronautas entrenan en el océano profundo

Panga, ¿el nuevo Satán? | Ciencia Marina y otros asuntos

Publicado por <b>Antonio Figueras</b> el <b>3 febrero, 2017</b><p>En octubre de 2010 publiqué una entrada sobre el/la Panga que se denominaba: Panga. ¿comer o no …