Fun

Walking through Prague more than four centuries ago, the astronomer and mathematician Johannes Kepler asked himself this question. The answer was bequeathed to us in a 24-page booklet: 'The six-angle snowflake'.

The squall and cold Arctic air have caused a historic snowfall, the third largest since the early 20th century. Why has it been so intense? What relationship does Filomena have with climate change? An expert helps us with these and other questions.

Answer the questions honestly and guess which breed of dog suits your personality the most.

Every winter we have the same picture: trucks spreading sacks and sacks of salt on the road to prevent it from freezing, but why?

Spain is on red alert due to storm Filomena, which has brought unusually cold weather and heavy snowfall. The storm has left impressive snapshots of the main monuments of the capital, covered in a white blanket.

We all know plants with medicinal values or properties that have been (and still are) of great help to human beings throughout their history. However, some have extremely dangerous substances that can even cause death.

These are dwarf giraffes and, for the first time, they have been observed in the wild. How much?

Although native to North America, the bullfrog can already be found in many other parts of the world. Has it been seen in Spain?