Thirty years ago, an anthropologist theorized that humans can have social interactions with about 150 people. How did you come to this conclusion? Is it true in all cases?
They discover a new type of memory cells in the brain associated with the recognition of the faces of our loved ones. Is this the legendary 'grandmother's neuron', which scientists have been searching for since the 1960s?
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.
