The Naked Scientist looks at new research which shows how mucus from a specific slug can help create a patch that can repair holes in the human heart.
He also answers the question: Why does alcohol keep us up at night?
Alcohol or drinks do wake you up as it fills your bladder, and the other reason is that blood and alcohol metabolizes and gets turned into metabolites that are themselves excitatory.— Dr Chris Smith, Naked Scientist
He also tackles if there's a difference between sweat on the face and other parts of the body, plus what causes gusts of wind.
This article first appeared on 702 : Why does alcohol keep us up at night and does sweat differ in the body?