Sheets accumulate skin residues that feed dust mites, while in towels the humidity can encourage microbial proliferation. Regular washing and correct drying help limit these phenomena, even if there is no universal time threshold beyond which fabrics become dangerous. The American Cleaning Institute (ACI) speaks clearly: the sheets should be …
Where houses cost the most in Italy and how much prices have risen in 10 years: ranking of the most expensive areas
The regional capitals where it is most expensive to both buy and rent a house are Milan, Florence and Rome. The cheapest are all found in the South. The most renowned tourist locations, both at the seaside and in the mountains, also contribute to raising the average regional prices. Compared …
Which numbers are divisible by 11: the trick of even and odd digits
There is a rule to understand at a glance whether a number is divisible by 11. Simply add and subtract the digits of the number alternately and check if the result is a multiple of 11. But why does this trick work? The numbers divisible by 11 they are very …
