The number ? (3,141592 ...), which in Spanish is read "Pi", is the symbol of the quotient between the circumference and its diameter and therefore represents the most perfect geometric body.
The leap year was introduced to synchronize our calendar and orbital motion in Rome, under the command of Julius Caesar, advised by the mathematician and astronomer Sosigenes of Alexandria. Caesar decided that, in the Julian calendar (named after him), one in four years would have 366 days, one more than common years.
When a meteorological depression occurs over the waters of the tropics that gives rise to a violent storm with sustained winds reaching 120 km / h, it is said that a tropical cyclone has formed.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.