American archeologists believe that the high productivity of land of the ancient Maya was possible because of volcanic ash that rained down on the fields quite frequently. The natural fertilizer maintained the existence of thousands of people on unfruitful lands. Was it really so? It is an open secret that volcanic ash does not bring […]
Category Archive for 'Society'
Phosphorus present in human feces can be used in basic food crops such as wheat
News about swine flu epidemic has spread all over the world. The mutant virus continues to kill people. The number of victims will soon pass from tens to hundreds. Governments insistently advise their citizens to refrain from travelling to Mexico where the infection supposedly came from.
The World Wide Web celebrated its 20th anniversary on March 13. Twenty years ago, Briton Tim Berners-Lee submitted a memorandum with his suggestions on the structure of the computer network to the administration of the European Organization for Nuclear Research. Something that we now know as the ‘browser’ appeared in about a year
The planet’s population will continue to grow every year, a new report from the United Nations Population Fund said Wednesday. The number of people living on planet Earth will increase 1.5 times by 2050 in comparison with the current year.