element
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 […]
Three faces of the carbon
What do they have in common the coal, a motorcycle helmet and a diamond? Three sides of the carbon, a chemical element with properties remarkably different depending on how it is organized. Pere Renom built a stack for charcoal. Later attends the size of a diamond and understands why it is so bright. Finally, learns […]


