Why do we yawn? Is it our body’s way to tell us we’re tired, or is it an attempt to keep us awake? Also, why is it infectious?
Phil Smyth, Physicist, Engineer and Science Communicator joins Seán to discuss.
Why do we yawn?
Why do we yawn? Is it our body’s way to tell us we’re tired, or is it an attempt to keep us a...
16.04 15 Jan 2025
