• New convenient calendar

    New convenient calendar
    Mathematicians and economists at John Hopkins University in Baltimore (USA) have designed a new type of calendar without a leap year. This means that birthdays, holidays and
  • Is it time for the world to use a common time zone?

    Is it time for the world to use a common time zone?
    If the world uses the same time zone, countries will receive a lot of benefits, but in return there will be areas where there must be sunrise without sunshine.