For centuries, chess has been regarded as the epitome of pure strategy, mental equilibrium and intellectual challenge par excellence.

When the heating is turned on, the air changes immediately: it becomes drier, lighter and more irritating to the skin and respiratory tract.

Before switching off the light, we take one last look at the smartphone: messages, social media networks and news - there's no shortage of activity. And what seems like a harmless gesture is, in fact, one of the most common mistakes in our evening routine.

More than 70 million people worldwide use a sign language as their mother tongue, but the number of qualified interpreters is very limited, especially in certain geographical and social contexts.

There's something deeply fascinating about the idea that a sheet of paper, untouched for over five hundred years, could still contain a physical trace of one of mankind's greatest geniuses. Not a pencil trace or a blood line, but something infinitely more intimate: Leonardo da Vinci's DNA.

Recovering most of the silver from discarded solar panels? It can be done!

Don't miss the return of a stunning spectacle in the sky: the 'kiss' between the moon and Saturn.

Ai, the 'brilliant' chimpanzee, died in Japan at the age of 49 from multi-organ failure and age-related illnesses.

We welcome February with the full moon!

There are almost 100,000 centenarians living in the United States, and this number is set to increase in the coming decades.