How goes a gecko stick to the ceiling... why doesn't glue stick to the tube? Today, I'm exploring adhesive and cohesive forces and trying not to come unstuck as I explore the sticky science of glues.

Can you feel the force? Maybe it's gravity - the tingling attraction between everything in the Universe and everything else. Where does it come from? What causes it? How near are we to understanding it?

From anatomy to abnormality, we compare nature's finest marvel (the human brain) with the best that humans have so far produced (the electronic computer). How are they similar and how are they different? Is the Net becoming increasingly brain-like? Will it ever become conscious and self-aware?

What is intelligence and, if it's such an essential part of being human, can we ever really hope to build an "intelligent machine"? What are the different kinds of AI? What's the difference between old-style AI and new-style machine learning? How will we know when we've built a machine that is truly intelligent?

A two-minute introduction to the podcast!