Tearful eyes, Musical minds and Glowing seas!

This week on Ask the Naked Scientists we find out if it's possible to cry underwater, why ferocious winds can bring us to tears, how its possible to make the sea light up and why it's so difficult to get annoying songs out of your head! We also find out about the creation and effects of gravity, why some of us get constant ringing in our ears, and if there are plants living deep inside the earth. All that and more on this weeks podcast.