What is Ash Wednesday? Ash Wednesday is an important date in the Christian calendar as it marks t...

THE Amazonit comprises 7 million square kilometers with over 5.5 million kilometers covered by tr...

Terrorist attacks in Egypt intensified from the 1980s to the 2000s. Some of the terrorists' targe...

O alphabet Brazilian follows the pattern adopted by the international phonetic alphabet system, w...

Childhood is the primary stage in an individual's intellectual development. It is at this stage t...

The universe is full of mysteries and wonders. And that's exactly why it attracts so much the cur...

Mathematics is present in practically everything we do. In counting the days, in the passing of h...

With the sanitary measures imposed during the new pandemic coronavirus, O National High School Ex...

You stemsthey are supporting organs of the plants, it has many different morphologies and can be ...

Although the 5th of June is reserved to celebrate the World environment day, every day are import...

You may have already heard that our Portuguese language is among the most difficult languages ​​i...

Hormones can be produced by glands in the endocrine system or by specialized neurons. These chemi...