Do dogs recognise their reflections?

Chris Smith from the Naked Scientists takes on YOUR questions. Do dogs recognise themselves in the mirror? Why is the sky blue? Why doesn't mitochondrial DNA recombine like other DNA, and does it run into problems with natural selection? Why did my tracksuit give me an electric shock? Would planting trees prevent climate change? Plus, Chris reflects on almost twelve years of questions on Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists