gas
Nitrogen till the root
Nitrogen is an essential element for life, but since its availability is limited it must be recycled. The most important compartment on the planet where it accumulates is the atmosphere (N2). Hence, special bacteria introduce it into the biosphere through a process called fixation. Once there, it is transferred through the food chain from vegetables […]
Travelling with the wind
The program “Quèquicom” travels in balloon to explain the atmospheric currents and travels on sailboat to show how it is possible to sail against the wind. The reporter Pere Renom suffers a storm aboard a sailboat in the bay of Roses. His adventure helps to explain some basic principles of sailing. From the studio, the […]