Off the north coast of Corsica, strange circular forms on the seabed were discovered in 2011. But what are they?

Several studies have shown a significant decline in sperm count in the last 50 years. Are we heading towards a sperm crisis?

The social cost of selfish people, and how to deal with them.

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

With the legal framework of space exploration and the exploitation of its resources still unclear, is space being stolen from us?

We cannot escape our fate and we cannot escape ourselves. But we also have our limits: confused thinking, misleading intuitions, unrealiable memories... What consequences do these potential errors have on our relationship to the world and to ourselves? Just how far can we trust ourselves?

It might seem more sustainable to wash up by hand rather than use a dishwasher. But is it actually the other way round?

Can Silex and Ventilo find out how to drink an eco-friendly cup of the black stuff?

You would think that glass bottles are the most eco-friendly. But the reality is more nuanced.

All living beings stop growing at some point. The global economy is different: it just keeps growing. Is a world without economic growth possible and what might that mean for the future?

Ventilo needs a new car. But should he go for a petrol automobile or a new electric car?

Everyone needs to wear clothes. But how can you navigate the confusing jungle of ecolabels? And is second hand necessarily better?

Ventilo needs a new phone. Could a refurbished smartphone be an eco-friendly option? 

Do physical books destroy the world’s forests? And should we read with E-readers instead?

When you’re at the supermarket checkout should we use plastic bags or paper bags? 

Stress levels, sleep, sexuality: Hormones in our bodies wield enormous power over us. They control us, but can we control them?

Is there a "planet B" somewhere in the universe? Scientists have never been closer to finding an answer.

Extreme weather events are becoming increasingly frequent as a result of climate change. 

But can we really describe loneliness as a disease? And could this deeply human feeling be contagious?

Nation states rarely repay their debts in full – yet they do not go bankrupt. How does this work?