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.

What's so special about Lecce? It has something to do with the kind of stone found there. And masters of art and architecture knew how to make beautiful buildings with it, giving rise to the Lecce Baroque.

The Columbus laboratory is the first permanent European research facility in space. There, astronauts carry out experiments and applications in space science, Earth observation and technology. Columbus offers European scientists full access to a weightless environment that cannot possibly be duplicated on Earth.

Italians adopted English words to describe the new system of working from home. They've called it smart working. No one was happy about the virus, but some people could see the bright side. Others were very stressed out and would go on a disinfecting rampage. The worst situation was in hospitals, where health care workers were pretty much flying blind.

In this episode, we travel to Lecce, to the very heel of the Italian "boot," at the southernmost tip of the Italian peninsula. Lecce is an iconic example of the Italian Baroque, which encompassed music, art, literature, and philosophy.

Some simple experiments with various materials help us understand what goes into planning the construction of a spacecraft. And then we wonder how we would go about making a planet inhabitable to humans.

Going to school remotely from home was hard for everyone, kids and young adults alike, not to mention for the teachers. And, just imagine trying to train to be a ballet dancer. People had to get creative and at the same time, deal with reality.

3D printing is going to be a huge factor in conducting the safe exploration of the Moon and Mars. Experiments carried out on the "nearby" Moon will be crucial for later trips to Mars, a much more complicated, long-term enterprise.