Ecology

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Mescaline and peyote cactus: what really happens to the body and mind

You’re watching The effects of drugs Don’t miss out on more content from Geopop There is an ancient cactus which, if ingested, can cause psychotropic and hallucinogenic effects. Is called peyote and it is among the most surprising natural substances of all, capable of amplifying perceptions and evoking experiences that many cultures have interpreted as a contact with the spirit ...

Why Istria is no longer Italian: history and changes of a peninsula disputed for centuries

Why Istria is no longer Italian: history and changes of a peninsula disputed for centuries

Istria does not belong to Italy because after the Second World War it was assigned to Yugoslavia by peace treatysigned in Paris on 10 February 1947. Previously, a part of the population was Italian speaking and ethnic but, even before the signing of the treaty, it had begun to abandon the territory and to seek refuge in Italy. The definitive ...

The US Senate has reached an agreement to end the longest shutdown in history

The US Senate has reached an agreement to end the longest shutdown in history

In the United States, a bipartisan group of senators made up of Democrats and Republicans reached an initial agreement to overcome the shutdownthe temporary suspension of many federal government services. The senators voted the first procedural step of the budget lawthat is, the first decision necessary to start the process that will lead to final approval. The vote ended with ...

Comet 3I/ATLAS shows a complex tail system after passing perihelion: images

Comet 3I/ATLAS shows a complex tail system after passing perihelion: images

The interstellar comet 3I/ATLAS observed on November 8, 2025 after passing perihelion shows a complex system of jets. Credit: M. Jäger, G. Rhemann, E. Prosperi Interest is reignited interstellar comet 3I/ATLAS visiting the Solar System a few days after its passage to perihelion (the point of maximum proximity to the Sun): the latest images in fact show a unusual queuing ...

COP30 has begun in Belém, Brazil: the climate objectives 10 years after the Paris Agreement

COP30 has begun in Belém, Brazil: the climate objectives 10 years after the Paris Agreement

COP30 in Belém, Brazil. Credit: UN Climate Change TO Belémin Brazil, has officially opened COP30, there 30th Conference of the Parties of the United Nations on the management of climate crisis and global warming: for the first time in history, the summit will take place on the outskirts of the Amazon Forest. This year there are two main objectives: to ...

The largest spider web ever discovered is in a cave in Europe: it is the cooperation between two species of spiders

The largest spider web ever discovered is in a cave in Europe: it is the cooperation between two species of spiders

Credit: Photo by Marek A, part of Urák I, Vrenozi B, Głąbiak Z, Lecoquierre N, Eiberger C, Maraun M, Ştefan A, Flot J–F, Brad T, Dainelli L, Sarbu SM, Băncilă RI (2025) An extraordinary colonial spider community in Sulfur Cave (Albania/Greece) sustained by chemoautotrophy. Subterranean Biology It was thought they couldn’t collaborate, but instead they built a colossal structure that ...

Stromboli, eruptive activity in progress with lava flow from the Sciara del Fuoco: the drone video

Stromboli, eruptive activity in progress with lava flow from the Sciara del Fuoco: the drone video

The lava flow on Stromboli’s Sciara del Fuoco. Credit: Irene Makarenko, via The volcano Stromboliin the Sicilian archipelago of the Aeolian Islands, gave rise to more intense than normal volcanic activity which began at 11:00 yesterday, Sunday 9 November: according to what was reported by the INGV, a lava overflow from the North crater area, which is feeding a lava ...

Columns in Greek Temples Are Not Really Straight: What Is Entasis and Why Was It Used

Columns in Greek Temples Are Not Really Straight: What Is Entasis and Why Was It Used

Detail of the Parthenon in Athens. Walking among the Doric columns of the Parthenon in Athens or in the magical Valley of the Temples in Agrigento, it is easy to be fascinated by the seemingly perfect harmony that characterizes them. But, looking carefully, you realize that these columns are not completely straight: they have a subtle curvature, the entasis. This ...

Are black and white colors?

Are black and white colors?

Black and white. Photo by David Werbrouck via Unsplash When we look at a painting, or open a box of pencils, we call every shade and tone we see “color”: the black and whitehowever, not appearing in the light spectrumthey may not be considered colors: white is the sum of all reflected lights, black is what we see when the ...