To download mp3 (audio): Click "Download mp3" button
To Cut/Crop mp3: Please use the slider below and click on "Download mp3" button to download the selected part.
Note that video to mp3 conversion output is limited to 10 minutes.
Every other Wednesday we present a new video, so join us to see the truth laid bare...
For 400 million years, sharks have dominated the Earth's oceans. They have survived 5 planetary mass extinctions to become the top predators of the sea, honed to an evolutionary perfection. But what shark species is the most deadly? And where in the world is it least safe to venture in to the water? Naked Science travelled across the world from Australia to California to find out.