Ep 15 - How do dolphins sleep without drowning?

It's a tricky situation that dolphins use their brains to solve! Featuring children from Ballyboy National School in Co. Offaly, Collie Ennis, co-host of The Critter Shed podcast and Marine biologist Stefano Mariani.<p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>