There was a time when I, in my early thirties, asked myself, “what is life all about?” At that time, my life seemed so routine it was getting boring. Get up, go to work, come home, have supper with ...

It's tiny and needy, but is it alive? That's a question prompted by recent research that highlights a surprisingly complex part of biology. The organism in question is a microbe called Sukunaarchaeum ...