We're back in the center of Lecce, where there's one of the most beautiful piazzas in Italy, the Piazza Duomo (cathedral square). It can be described as theatrical and eye-poppingly stunning, but it also had an important practical function in its past.

One way to tell if there might be life on another planet is through light. Special telescopes, by way of prisms, analyze and break down the light from distant galaxies into parts. Luca Parmitano, an astronaut of the European Space Agency, speaks to us from the Columbus International Space Station.

During the lockdown of 2020, cities were deserted. The urban landscape changed drastically and some strange things happened, too.

The monastery boasts a beautiful, wide staircase from the first half of the 18th century, with some curious charcoal drawings whose purpose remains a mystery. The monastery went through several transformations before becoming what it is today, the seat of the University of Salento.

Luisella Giulicchi, the system manager for the ESA Copernicus Sentinel six mission, explains what an exoplanet is. Two young researchers do a simple experiment to show us how infrared rays work.

During the pandemic, children keep being born, which is a a joyous event. At the same time, people, especially the elderly, die with no loved ones around, no closure, no goodbyes. The doctors and nurses worry constantly about having been careful enough with their PPE.

We visit a famous monastery near Lecce, which got its name from the Olivetan monks who lived there. They had come from another famous monastery in the province of Siena, the Abbey of Monte Oliveto Maggiore. Alberto Angela describes the symbolism of the beautiful, mid-sixteenth century canopy well in the cloister. Today, the monastery houses the University of Salento.

Luisella Giulicchi, manager of the European Space Agency ESA, answers questions about light, infrared rays, and lightyears.

How can you stay fit if you are shut up in your apartment? It's not easy, but it can be done. And what if you're a musician? Your balcony becomes your stage, and the adjacent buildings, your audience.

In addition to its Baroque art and architecture, Lecce has a rich ancient history, underscored by a Roman amphitheater, in part still standing, right in the middle of the city. But Lecce's history goes even further back than that.

What is light? We use it every day, but where does it actually come from? The host suggests doing a little experiment. See if you can follow the instructions in Italian and try it yourself.

Living in a studio apartment during the quarantine was especially challenging. Bergamo was one of the worst hit cities in Italy and the rate at which coffins piled up was shocking.

What is chromotherapy? Marino, who is a chromotherapist, explains this fascinating branch of alternative medicine.

Visiting Piazza Falconieri makes you feel as if you were in a fairytale. The stone used for these beautiful buildings and decorations has a particularly interesting story.

During the first wave of the pandemic, working in the hospital was especially grim. No visitors were allowed, so families had to stay close by phone and with a health-care worker helping out. It was hard for everyone.