In 1911, New Zealand physicist Ernest Rutherford, along with his collaborators, carried out an ex...

One reversible reaction it occurs when it is possible to transform the products back into the rea...

Given the dynamic character that guides the language - seen as a strictly social entity -, behold...

The state of Espírito Santo is located in the Southeast region of the Brazilian territory, limit...

Color is perceived through the cones in our vision. There are about six million cones in the eye ...

irrational equations have the unknown located in the radical, that is, inside the root. Thus, to ...

If there was a family tree of Chemistry, it would be based on the image above. As we see, this sc...

An island is defined as any portion of emerged land surrounded by water on all sides. Of course, ...

Have you ever, when leaving the bath and getting that brand new towel, have you ever asked yourse...

Characterized as one of the possible final stages of stellar evolution, neutron stars are celesti...

Have you ever seen in hospitals, ambulances, emergency rooms and service stations, signs with the...

Spelling represents one of the obstacles that permeate the daily lives of many users of the ling...