42: The Answer to Almost Everything

Children often experience their first feelings of love at nursery age.  What does it feel like for children? 

Love may drive you crazy - but it also keeps you alive.

Black holes can tell us a lot about the universe. But could they hold the key to understanding our world? 

Sustainable consumption: is it all just greenwashing and deception?

Hydrogen is considered the oil of the future. An increasing number of cities are attempting to inject it into their gas networks.

Every day human beings make around 200 decisions about what to eat. But what drives these choices?

More and more people complain of digestive disorders related to gluten, lactose, or fructose.

We have released so many toxic chemicals that we have caused existential damage to our ecosystem.

Could our economy be organised differently and even shrink?

How can we have more fulfilling sex? Ronja von Rönne meets couples and singles who have reinvented their sexuality.

Using the latest technology, researchers are discovering the bright colours of ancient Greek art and architecture.  

From queer cake sitting to sex positive tasting evenings, Tracks finds out about food and sexuality.

42-year-old Armen Grigoryan is the youngest barber in the timeless atmosphere of the oldest barbershop in Armenia.

In Romania, the Social Democrats joined forces with the far right to bring down the pro-European government. Elsewhere, certain mainstream parties are considering deals, or already cooperating, with parties seen as "radical".

How can we age well? Ronja von Rönne trys to find out by talking to chimney sweep Norbert Skrobek, who is close to retirement and Monika Gutte who defies age with a zest for life

How can you feed yourself self-sufficiently in the desert? An ancient superfood could hold the answer.

Can infinity be defined? is it something that we can feel? And can we express it in a work of art?

A new generation of young people from urban areas is taking on the difficult job of producing food for the nation.

Ancient Greek statues are white, pure and classical, just like the marble they are carved from. False. These statues were painted in fabulous bright colours. Archaeologists and art academics have known this for centuries so why does the white myth endure?