They are neither lands, nor are they rare. But they are part of almost all current technological devices and, in addition, China monopolizes almost all their extraction, so these elements are an important geopolitical weapon.
In the 1970s, scientists discovered that the ozone layer, a stratospheric region that protects the Earth from ultraviolet radiation, was dangerously thinned by the use of certain chemicals.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
