bacteri
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 […]
De-extinction: to revive a species
In Masjoan at Espinelves (Girona) there is a collection with more than 250 species of stuffed birds, gathered by the naturalist Marià Masferrer Rierola in the late nineteenth century. Among the various species there is the Carolina parakeet (Conuropsis carolinensis), a bird native to the United States, which was extinct in 1918 by hunting and […]
Legionellosis, a nebula disease
Legionella is not taken from the air conditioners in offices or homes, but by inhaling contaminated droplets coming from hot water systems of hotels or gyms, spa facilities and many cooling towers of industries. Participants Miquel Sabrià, head of the Infectious Diseases Unit, UAB; Ana Belén Gómez and Neus Cirera, the Public Health Agency of […]
