Cognitive decline is natural: it starts to subtly set in by our 40s, and by your mid-50s it’s perfectly normal to find ...

Perhaps two of the most interesting discoveries about octopuses, though, is that they have three hearts and nine brains. There may be many types of octopus, but they all have a truncated anatomy.

Program Three: Brain Matters Video: Full Episode Peer into Alan Alda’s head to find out which parts of our brain are responsible for our most human characteristics.