The nomadic of the wind

They leave from Africa in Springtime, heading North, towards the warm European countries. They fly for thousands of kilometers, over the African forests, over the Sahara desert, over the Mediterranean sea. An incredible journey, mysterious and fascinating. Why birds migrate? A huge question for the scientists professor Wolfgang Goymann of the Max Planck Institute of…

Tuscan tobacco

The famous tuscan black tobacco of the variety Kentucky for the tuscan cigar is the strongest tobacco in the world because it undergo fermentation. It comes from a mistake, when a century and a half ago, a cart full of black tobacco was left under a heavy rain and after that under the sun, with…