International forest day: when is it and why it is celebrated
International Forest Day is celebrated March 21 of each year since 2013, with the aim of raising awareness about the ...
What is energy efficiency: definition and examples
Currently technology is present at all times in our lives, to the point that we have become dependent on it ...
Hygrometer: what is it and what is it for
Hygrometers are devices used to measure the relative moisture of air or solid materials. These instruments are used in a ...
Mareomotriz energy: what is and how works
It is in the 60s when the tidal energy arises. Currently, this energy has been developed, there are different mechanisms ...
World Meteorological Day: When is it and why it is celebrated
The World Meteorological Day, commemorating the March 23 Of each year, it was proclaimed by the foundation of the World ...
How to recycle cardboard
Cardboard is a material that is formed by paper layers and, for this, virgin fiber or recycled paper is used. ...
Climate refugees: what are, guys and where there are
The phenomenon of climatic refugees has emerged as an increasingly urgent reality in the context of global climate change. The ...
How oil is formed
Also known as “Black Gold”oil is one of the most desired resources of nature and, at the same time, rejected ...
Smooth endoplasmic reticulum: what is and function
The endomembranous system, which means “within the membranes”, is a set of membranes and structures in eukaryotic cells that collaborate ...