aqüicultura
Copper, the electric metal
Associated with electricity, copper has helped change the world. Besides being a good conductor some of its compounds are superconductors. In living organisms acts as a transmitter of electrons in many biochemical reactions. Also is part of several blue and green pigments of gothic painting and sometimes can acquire an electric tone.
Fishing drowns
The European Union has suspended the fishing of bluefin tuna because it is near extinction. Meanwhile, the journal “Science” published that in 2048 the markets could run out of fish because the populations of most commercial species are being depleted. What measures should be taken to avoid economic collapse and environmental disaster? Are we on […]