Shedding their skin is a necessity for many insect species. As living organisms whose structural support lies on the outside of their bodies (an exoskeleton), they must replace it as they grow. The most important molt in the life of dragonflies and damselflies is the one that gives rise to the adult insect. Dragonfly [...]
At the end of September 2026, the members of the Iberian Group of Naturalized Bathing Waters (GIABN) met again in Portugal for the 10th biennial Iberian Meeting, this time in the Santarém region, at the Refúgio da Nere Maitia rural tourism site, a place equipped with a biological swimming pool. The meeting brings together [...]
In Central Portugal, near Vouzela, a new tourism accommodation featuring a biological pool has opened its doors. It is called Tiny Escape - and the name says it all. It consists of a cluster of small, sustainable tiny houses scattered across terraced slopes facing the Vouga River, where natural materials and a serene atmosphere [...]
A biological pool is much more than the sum of its components. A biological pool is a place for contemplation, communication, and imagination. It's our place to dream, contemplate, and bathe, to be a living being among other living beings. Spending holidays with a large family, these words easily become reality. Suddenly, there's a [...]
It is always a joy to observe animals around a biological pool. Winged creatures are the most common visitors that do not live there permanently, unlike frogs and many species of dragonflies. Winged animals are always welcome, as long as they are only visitors and do not become residents. This excludes the presence of [...]
The case regarding cercariae at the Alqueva dam is an unprecedented scientific discovery in Portugal, made public in late September 2026. It was discovered in the context of a study by the Institute of Hygiene and Tropical Medicine of the Nova University of Lisbon and published in the scientific journal Science in One Health. [...]
Water lilies are the most popular aquatic plants in biological pools, as they are the best known and always have the largest flowers. But it's worth looking at smaller species, sometimes a little hidden among other plants on the banks. Forget-me-nots of the genus Myosotis, for example. Many already know them by name, but [...]
The biennial Iberian Meeting of the Iberian Group of Naturalized Bathing Waters (GIABN) will take place end of September 2026, again in Portugal. The 3-days event includes guided tours, presentations, discussions, and networking. This time it will be held in the Santarém area, at a resort with a biological swimming pool, from September 30th [...]
The waterproofing liner used in biological pools is gray. Looking at a piece of this material in light gray, one wouldn't easily imagine the transformation of the water's color that will occur when the biological pool is full. What is surprising is the blue of the water's surface. Depending on the angle of observation, [...]
Taking a dip in a biological pool is an experience few people have yet had, although many would like to try it. Several accommodations scattered throughout the country offer the ideal opportunity for this. Thus, many tourists experience swimming in biological pools for the first time during their vacations. For these beginners, information like [...]
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