Hippos are huge. Actually, it's a bigger subject than you might think, too. This episode looks into these deadly - and fast - animals with their own built-in sunblock. As always, click on the pics to dive into the river of facts.<hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>