Why are tattoos permanent?

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On today’s episode: How do sharks swim so fast? Denticles! How do tattoos work? And how safe are they? Hybrid swarms are causing extinctions… and we’re one of them! Why do we play? All that and more today on All Around Science...

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“As ancient as time, as modern as tomorrow.’Why have tattoos been reinvented in so many cultures - and with so many different meanings - throughout history?And yet, tattooing is constantly portrayed as a new ‘thing’, when tattoos were just for criminals or sailors.Far from truth, ...  Show more

Greg and Bella are joined by award-winning Biology teacher Miss Wilsher for a lesson all about tattoos!By looking at how a tattoo works, we'll find out about the different layers of your skin and how pain works; we'll also hear about the chequered history of tattooing and it's an ...  Show more

Body art...tattoos...are pretty ubiquitous these days. But where did it all start…and why? The first documented evidence of tattooing goes back over 5,000 years. But why did they do it? It’s not what you think. See omnystudio.com/listener for privacy information.