- The rise and fall of the medieval Islamic Empire - Petra Sijpesteijn & Birte Kristiansen
- Can you guess what's wrong with these paintings? - Noah Charney
- A brief history of Spanish - Ilan Stavans
- Why a sausage can do what your gloves cannot - Charles Wallace and Sajan Saini
- This weird trick will help you summon an army of worms - Kenny Coogan
- The true cost of gold - Lyla Latif
- The 4 greatest threats to the survival of humanity
- What causes yeast infections, and how do you get rid of them? - Liesbeth Demuyser
- Meet the microbes that could eat your trash - Tierney Thys and Christian Sardet
- How does alcohol cause hangovers? - Judy Grisel
- What’s the best country to live in?