Search results: ageing

High-performance supramolecular polymer from a simple molecule

High-performance supramolecular polymer from a simple molecule

Chemistry

By Pablo Ortiz

Turning simple, individual molecules into complex, interconnected materials is the core of polymer chemistry. There is currently an increasing demand for materials with sophisticated properties such as self-healing and reusable adhesivity. However, achieving polymers with such functionalities generally demands higher structural complexity, synthetic difficulty, and cost. Now, a team of chemists has designed a supramolecular […]

Sunscreens, health and environment: a dangerous cocktail?

Sunscreens, health and environment: a dangerous cocktail?

EcologyHealth

By Sergio Laínez

Prolonged exposure to sunlight is not recommended. Even though is really important to synthesize vitamin D which helps us absorbing calcium or phosphate and maintain a mineralized skeleton, the effects of sun´s ultraviolet radiation (mainly UVA and UVB) can be prejudicial in the long term. Main issues may be sunburn (UVB), reduced skin elasticity leading […]

One year or one cell division older?

One year or one cell division older?

BiologyBiomedicineHealthMolecular biology

By Invited Researcher

Aging is one of those topics mankind is always trying to understand, especially whether it can be reversed or stopped. With increasing age come not only alterations in appearance, but also associated changes like the degeneration of tissues such as muscles, bone and neural tissues or a higher predisposition for disease. In recent years, we […]

Mediterranean diet and brain shrinkage

Mediterranean diet and brain shrinkage

BiologyHealthNeurobiology

By José Ramón Alonso

The Mediterranean diet is a modern nutritional reference originally inspired by the dietary patterns of Greece, Southern Italy, and Spain in the 1940s and 1950s. The main components of this diet include proportionally high consumption of olive oil, legumes, unrefined cereals, fruits, and vegetables, moderate to high consumption of fish, moderate consumption of dairy products […]

Carotenoids, I see your true colours

Carotenoids, I see your true colours

BiochemistryChemistryPlant biology

By Estíbaliz Urarte

When autumn arrives to temperate climate forests, deciduous trees lose their characteristic green tonalities and start showing a wide spectrum of new colours: yellow, brown, orange, red… Chlorophyll reabsorption takes place in the leaves and carotenoids, present in a lower concentration, are exposed. These pigments are produced in all photosynthetic organisms, fungi and non-photosynthetic bacteria […]

Hibernation and white-nose syndrome

Hibernation and white-nose syndrome

Biology

By José Ramón Alonso

Hibernation is a state of inactivity and metabolic depression used by some mammals to survive a cold winter. It may last several days, weeks, or months depending on the species, environment temperature, season, and individual’s body condition. Usually, hibernating animals survive the energetic bottleneck of the winter by building stores of body fat in late […]

The animal that wouldn’t die

The animal that wouldn’t die

BiologyHealth

By Jaime de Juan Sanz

Understanding aging and how it affects the lifespan of an organism is a fundamental problem in biology that is of great interest to our society. During the last decade, an incredible amount of research has been published trying to understand aging processes, unraveling what factors accelerate or decelerate this process in several animal models (worms […]