Canada, France
Do microbes control our mood?
Do microbes control our mood? If aliens were to examine a human, they would think we were just slavish organisms designed to feed microbes and carry them around. Our bodies contain ten times more bacteria than cells , and there are an estimated 3.
Gasping for oxygen
Gasping for oxygen In 2010, nearly two tons of fish was found dead due to lack of oxygen on the coastal line of the Romanian Black Sea.  Oxygen depletion , or hypoxia , occurring in the water is thought to be responsible.