Natural science can be broken into two main branches: life science (or biological science) and physical science. Physical science is further broken down into branches, including physics, astronomy, chemistry, and Earth science. All of these branches of natural science are divided into many further specialized branches (also known as fields), and each of these is known as a natural science.
When in Rome, do as the Romans do definition When visiting a foreign land, follow the customs of those who live in it. It can also mean that when you are in an unfamiliar situation, you should follow the lead of those who know the ropes.
Those who are in Rome in April would be able to celebrate the city's birthday. Rome was founded in the year 753 BC and the city's birthday falls on the 21 st of April. Each year, various special public events, music concerts, live performances and festivals take place in the city.