A treat to find in your binocular viewfield, the Cedar Waxwing is a silky, shiny collection of brown, gray, and lemon-yellow, accented with a subdued crest, rakish black mask, and brilliant-red wax droplets on the wing feathers.In fall these birds ga (...)

La Repubblica del Sudafrica (af. Republiek van Suid-Afrika, ingl. Republic of South Africa), o Sudafrica, è uno Stato indipendente dell'Africa australe. È situato nella punta meridionale del continente africano e confina a nord con la Namibia, il Bot (...)

Le imbarcazioni utilizzano questi strumenti in acque profonde per la ricerca di petrolio. Le raffiche di onde sonore prodotte disorientano i mammiferi perché danneggiano le ossa del loro apparato uditivo. E' allarme in Perù per una moria di delfini (...)

Il termine foresta, che potrebbe sembrare improprio, viene dal fatto che i tronchi si trovano in posizione eretta, con il loro apparato radicale piantato nel paleosuolo, e il legno spesso ha conservate intatte le caratteristiche morfologiche. Affinc (...)

Endangered species is a population of organisms which is facing a high risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters. The International Union for Conservation of Nature ( (...)

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The fossils are testimonies from the past. They evidence the existence of organisms in other geological eras and they are present at different levels in the earth layers. The fossilization process, which takes place along millions of years, consists (...)

The Carnival in Rio de Janeiro is a world famous festival held before Lent every year and considered the biggest carnival in the world with two million people per day on the streets. The first festivals of Rio date back to 1723.The carnival parade is (...)

Venice: the most beautiful city in the world, the place to be seen, photographed, but specially, to be admired.Where the traditional costumes - Harlequin, Briguella and Pantalone - have now been substituted by an ever ingreasing, phantasmagorical ser (...)

In the 1980s the Carnival of Venice was revived and the city has become a major centre of international conferences and festivals, such as the prestigious Venice Biennale and the Venice Film Festival, which attract visitors from all over the world fo (...)