Hosts: Ed Brown, Lucas Randall, Jo Benhamu 00:00:25 Dogs have evolved - mostly through artificial selection - to be our best friends. And a part of that evolution, according to a study published in the journal Proceedings of the National Academy of Sciences, meant developing special muscles to help them give us those "puppy dog eyes". You can test your own dogs "dognition" at dognition.com! 00:15:27 It's widely believed that at the centre of every large galaxy there's at least one supermassive black hole - a black hole that's millions or even billions of times more massive than our Sun. But earlier this year a group of astronomers announced a discovery that means the accepted theory of how a they're formed is wrong. But there are some plausible new theories that could explain it. 00:25:08 Media reports that mobile phone use could be causing teenagers to develop horns on the back of their heads were alarming and widespread. But perhaps unsurprisingly, those reports were flawed interpretations of bad science. This episode contains traces of business journalist and Sunrise breakfast television show presenter David Koch discussing external occipital protuberances with lead author and chiropractor Dr. David Shahar.

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