THE transverse myelitis it is an inflammation of the spinal cord that triggers the impairment of ...

With the end of the Civil War, in the United States of America, in 1865, slavery was abolished. H...

Osmosis is a colligative property that works as follows:The passage of the solvent to a solution...

THE chlorophyll (from the Greek: chloros, green + phyllon, leaf) is a pigment found in plants, se...

Chemistry is a science that is organized into several branches, one of which is that of Analytica...

The economic activities of the State of Paraná are quite varied, because of this it manages to ra...

The State of Goiás has a wide variety of natural aspects, so the study of such components becomes...

Nitration reactions are substitution reactions that occur through nitric acid (HNO3). This type o...

Some inorganic functions do not receive as much attention in textbooks and even during some teach...

Amebiasis (amoebic dysentery): caused by Entamoeba histolytica, this disease has as symptoms abdo...

The 21st Brazilian Astronomy and Astronautics Olympiad (OBA) is open until March 18th. Registrati...

Australia is a country in Oceania located southwest of the continent, is located entirely in the ...