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The eye is a perfect machine, the result of millions of years of evolution. But also a mechanism that can be deceived, as with optical illusions, or defective, as in color blindness. Increasingly refined visual machines are capable not only of seeing, but also of interpreting images and recognizing human faces and gestures.

What are the sleep phases and how do they work? What does it mean to sleepwalk? How does a sleeping pill work? How to improve the quality of our rest? Sleeping is a biological need. Sleep is not just a period of inactivity, it is a time when fundamental things happen in the brain. This is why when we sleep poorly we function less well.

Memory is the basis of learning, but it is also a still mysterious universe. How big is human memory? And what means do we have to increase our ability to remember? The ability that the brain has to simulate the future thanks to memory and how much we can trust what we seem to remember.

The physical structures of athletes. The forces that come into play during a pole vault. Digital technologies used in sport, where data is becoming increasingly important to improve athletes' performance. The scientific aspects of sport.

What is cold? How do frozen embryos survive months? And could the same be done for an entire human being? A journey through low temperatures and their effects. And the cases of children who remained in freezing water, without breathing for almost half an hour, and then returned to live normally, which made researchers discover many things about the mechanism of cold.

Nourishment is one of the central aspects of life: our body is constantly destroyed and rebuilt through food. But not all diets are the same, and some are even false. Controlling your body weight and calorie count may not be easy or sufficient. The topic is explored from multiple points of view to better understand the mechanisms that lead us to eat the right quantity and quality of food.

Are we alone in the universe? It is one of man's oldest questions and today the search for life on planets other than ours is an activity that engages scientists all over the world. What are the methods of this research? What might life forms on planets with characteristics different from Earth look like? How many planets could host life?

The educational function of the game, but also its negative aspects and gambling addiction. The mechanisms of gambling unmasked by statistics. The world of videogames: how they are born and how they are developed.

What can science tell us about love? From falling in love and the chemical storms of our brain, to love between young people in the age of social networks and falling in love in the animal world. The scientific aspects of a mechanism that underlies the continuation of each species.

What is happening to the oceans? And how much will they rise due to climate change? A journey into the fundamental element for life on Earth, which is also our main food. Everything that happens in our body needs this liquid. However, there isn't a lot of fresh water on Earth, and producing more isn't easy.