This is a chemistry class and a cooking show in one. Chemist Francesco Picchioni (University of Groningen) explains what a colloid is and shows what this has to do with the famous Italian dessert Tiramisu.

Eating meat and dairy is a terrible thing to do for the environment, right? Well, not entirely. To a certain extent we actually need animals in the sustainable diet of the future. Dr. Stacy Pyett (Wageningen University & Research) explains you can still eat a juicy steak, if you are willing to think about proportions.

Antibiotics are lifesavers. But for how long? Antibiotic resistance is a serious problem and may claim as many as 10 million lives per year by the year 2050. That's more than all deaths caused by cancer combined. Chemist prof. dr. Nathaniel Martin (Leiden University) states that it's time for action. He explains how we can fix this problem.

When children start learning how to read, they do so by using their voice and speaking the words out loud. In this lecture, Felienne Hermans (Leiden University) explains how speaking a computer code out loud can help children to learn programming faster. As it turns out, the more we talk, the better we learn.

Every language has a rhythm. Think of fast talking Spanish people, or a slow talking German person. The speed of a language also influences the way you dance, make music, and other forms of tempos in your life.