In this edition of The Naked Scientists: Among British people vapers now outnumber smokers for the first time. From Big Bang to Big Crunch - the new theory showing the expansion of the Universe might be slowing down. And, evidence that our early ancestors, three million years ago, may have excelled at DIY!Linda - So these are the annual population survey statistics from the Office for National Statistics that look at smoking, it was the main focus, so smoking in the UK but also vaping behaviour. And we see that for the first time the proportion of people aged 16 and older who vape is higher... Like this podcast? Please help us by supporting the Naked Scientists