dcsimg

ecosystems

The rhinoceros, an endangered animal

Rhinoceroses appeared on Earth around 40 million years ago spreading across Asia, Africa, Europe and North America, and shared the planet with humans for millennia, as can be seen from cave paintings portraying them, found in the Chauvet Cave in…

ecosystems

A frozen mammoth

During the Pleistocene (approximately 1.5 million years ago), the tundra covered all central Europe and was inhabited by spectacular animals, for instance mammoths and woolly rhinoceroses. In 1999, the Siberian permafrost gave back a huge specimen of a mammoth, which…

ecosystems

Lemmings

One of the most typical animals of the tundra is the lemming, a small rodent. Lemmings reproduce very quickly and reach sexual maturity very early in life: when they are 38 days old, the females can already give birth. When…

ecosystems

Treatment with lime trees

Some parts of the plants have healing properties: lime trees are among the most common ones. Lime trees (Tilia cordata) are some of the many plants that are grown to decorate parks, gardens and walks. Lime trees are considered to…

ecosystems

A meteorite explodes in the tundra

The Siberian tundra is also known for a spectacular astronomic event. On June 30th, 1908, in a remote region of central Siberia, near the river Tunguska, a meteorite having a diameter of 50 metres exploded in the earth’s atmosphere 8…

ecosystems

Let’s save the baby seals

In Canada, Norway and Greenland, baby seals are killed for their skin and fur, to be sold all over the world. Italy is one of the main importers of baby sealskin, for its shoe and clothing factories. China, Korea and…

ecosystems

A witness of the ancient times

Baltic amber is largely used to make jewels. Amber is a resin that took origin thousands of years ago from some now extinct plants, and that has then fossilised over the millenniums from a soft and sticky resin into a…

ecosystems

An environmental quality indicator

The tundra, which is extremely rich in lichens, proved very useful to study the world’s distribution of pollutants: the wind actually carries poisons everywhere, even thousands of kilometres away. Lichens are excellent bio-indicators, i.e. natural signs that allow us to…

ecosystems

An underground hospital

In the Russia of the Ural mountains, amidst the woods of the taigs, there is a very peculiar hospital: it is located approximately 300 metres below ground and treats disabling and chronic diseases, for instance bronchial asthma and arthrosis. It…

With the sponsorship of the Italian Ministry of Education, Universities and Research
 
Eni S.p.A. - P.IVA 00905811006
next page?