Halitosis is a curse that has plagued humanity since ancient times. But what causes it, and why is it so universally terrifying? Mel Rosenberg outlines the basics of bad breath — and what you can do when it strikes you. [Directed by Andrew Foerster, narrated by Addison Anderson, music by Devin Polaski].

When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel Rosenberg takes us inside our teeth to find out. [Directed by Andrew Foerster, narrated by Addison Anderson, m...

Mel wrote and performed this special version of the anthem "We Shall Overcome" for TEDxKazimierz, encouraging the online audience to join in and sing together. Watch how his good humour and musicality visibly brought an audience from all over the world together.

Mel argues that you can radically increase your chances of being successful by reframing the idea of what success means. So do most startups and new ventures end in failure? Not necessarily.