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Adeline Marcos

Journalist specializing in the environment. Reporter of SINC's natural sciences section.

Cockroach
The first cockroach to feed on lizard tears
8 September 2021 8:00
Adeline Marcos

Moths and butterflies are known to complete their diet by drinking the tears of reptiles and birds thanks to the elongated appendage that serves as their mouthpart. But it is not necessary to have such a proboscis to become a “tear drinker”.

Hadrosaurio enfermo
A foot tumour and two tail fractures complicated the life of this hadrosaur
23 June 2021 8:00
Adeline Marcos

When it was discovered in the 1980s in Argentina, this hadrosaur was diagnosed with a fractured foot. However, a new analysis now shows that this ornithopod commonly known as the duck-billed dinosaur actually had a tumour some 70 million years ago, as well as two painful fractures in the vertebrae of its tail, despite which, it managed to survive for some time.

Body
Signs that illuminate cancer within the body
1 December 2020 8:00
Adeline Marcos

Diagnostic imaging equipment has improved the resolution of its results and reduced the radiation patients receive, but the main advance has been in contrast agents. Using dye- or nano-antibody-‘decorated’ nanoparticles that circulate in the blood vessels, the scientific community is working to detect cancer and metastasis early and see if the treatment works.

Cocodrilo
African crocodiles lived in Spain six million years ago
15 October 2020 8:00
Adeline Marcos

The crocodiles that inhabited the coasts of North Africa during the late Miocene period embarked on a journey to Europe across what is now the Mediterranean basin. This is confirmed by the analysis of the first fossils of the Crocodylus genus in the Iberian Peninsula, found in the Valencian site of Venta del Moro between 1995 and 2006, and which are now being described for the first time.

Lacerta schreiberi
Climate crisis ages fish, amphibians and reptiles
16 September 2020 10:00
Adeline Marcos

Climatic conditions are changing at an unprecedented rate, affecting mainly fish, amphibians and reptiles, ectothermic animals that are unable to generate their own internal heat. With heat waves and rising temperatures, these organisms experience not only increased growth rates and heat stress, but also further ageing.

Insecto
The climate crisis threatens insects more than previously thought
1 June 2020 13:01
Adeline Marcos

Until now, insects in the tropics seemed to be the most threatened by climate change by living at the limit of their optimal temperature. An international team of scientists, with Spanish participation, has analysed the existing data and concluded that insects from temperate areas, such as Spain, could be as vulnerable to temperature increases as tropical insects.

One single primitive turtle resisted mass extinction in the northern hemisphere
3 February 2020 8:00
Adeline Marcos

Sixty-six million years ago, in the emerged lands of Laurasia –now the northern hemisphere– a primitive land tortoise, measuring about 60 cm, managed to survive the event that killed the dinosaurs. It was the only one to do so in this area of the world, according to a Spanish palaeontologist who has analysed its peculiar fossils, found in France.

The embryonic origin of the Cyclops eye
25 November 2019 10:30
Adeline Marcos

A congenital anomaly characterized by the presence of a single or partially divided eye has been described in many vertebrate species, including humans, and is sometimes associated with the presence of a proboscis. A new study analyses the embryonic origin of this malformation in a chicken embryo.

Jurassic dinosaurs trotted between Africa and Europe
22 October 2019 9:30
Adeline Marcos

Dinosaur footprints found in several European countries, very similar to others in Morocco, suggest that they could have been dispersed between the two continents by land masses separated by a shallow sea more than 145 million years ago.

Reservoir Los Anguijes, end of water transfer open section Tajo-Segura, beginning Talave tunnel.
Climate change threatens transfer between Tagus-Segura Rivers
25 April 2019 10:00
Adeline Marcos

Global warming will cause the Iberian Peninsula to suffer more and more water shortages, with serious economic losses. Less snow, less rain and less flow will endanger the continuation of the transfers from one basin to another. A new study on these effects on the transfer between the Tagus-Segura Rivers foresees that by 2070 it will not be possible to transfer water, if the climatic projections prove accurate.