The Census of Marine Life scientists estimated the total number of species on Earth (the most precise calculation ever offered), announcing 6.5 million species found on land and 2.2 million (about 25 percent of the total) dwelling in the ocean depths, that means about 8.7 million. Can you imagine how many exotic animals you don’t…
Maize: The most important crop for The Mayan Culture
It is estimated that, in Mesoamerica, agriculture could have occurred 9,000 or 10,000 years ago, approximately. This area, which covers the southern half of Mexico and part of Central America, has been considered one of the most important centers of plant domestication in the world due to the coexistence of extraordinary plant diversity and a…