The mother asked her son after a walk hand to make a petri dish Bashny.Net

Sturm Tasha (Tasha Sturm) - biologist at Cabrillo College in California and the mother of eight tomboy. Once, when her son came with a walk, Tasha asked him to put his hand to the cup with a special solution, forming a medium for microbial cultures. A few days later a petri dish filled with overgrown colonies of bacteria, yeast and fungi, which are listed on the boy his hand.

Despite the fact that the result looks daunting, it is necessary to remember that the presence of bacteria on the hands and the skin - this is normal. Their impact in safe quantities supports the immune system and the gastrointestinal tract.













via www.boredpanda.com/bacteria-petri-dish-microbe-8-year-old-boy-hand-print-tasha-sturm/