An old teacher answers to the questions about nature of two lively kids. Ecosystem, food chains, biodiversity, landscapes: surprising similarities with human systems will help Silvia and Giorgio to understand ecology.
How and why the United States have chosen a black man at the White House
The United States election campaign, from the candidature to the Precidency. Here there are all Barack Obama’s speeches, from the one in Philadelphia about human race until the last one held on November 4th after the election day.
In the age of genetic manipulation and global standardization of taste, food loses every kind of connection with tradition and memories of taste and smell. We have to trace the thousand-year-old story of nutrition to understand what is going on.
Still Berlusconi? The polemic against the leader of Forza Italia seems to have taken other ways. The «demonizers», as Bobbio, are cancelled by the politics of the «wangle» and of the wide agreements. Yet, reality has remained the same one. Dense pages, written at the beginning of the phenomenon «berlusconism», that has then contaminated almost all, even its presumed opponents.
A chatterbox and a bit absent-minded aunt answers the questions of her nephew, a child with an endless curiosity, and accompanies him along a path that begins and ends with the same question: what does it mean to be alive?
From the origin of the Universe to the high technology, from vacuum to life
A trip in the matter, examined through the most modern scientific theories and new technologies. From elementary particles to man, from materials all around us to the supertechnological ones, from the dark matter that forms the galaxies to the amazing properties of the vacuum.