I like hearing about new and interesting ideas within science – they help us to explain our world better…
(And now, I step on my soapbox…)  HOWEVER, I do think some ideas are just plain hooey, because they are less science and more intellectual rationalization for why we can’t explain things at the moment…
Take the Many-Worlds interpretation. 
In quantum mechanics, particles in the universe are represented by things called wavefunctions.  These wavefunctions describe the probabilities that one would observe a particle in a particular state, for example.  However, once we observe the …