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Wash Your Hands, Kids: The Bacteria on the Handprint of an 8-Year-Old After Playing Outside. We all know our bodies are home to countless millions of bacteria and microorganisms, but without seeing them with our bare eyes it’s almost impossible to comprehend.

Wash Your Hands, Kids: The Bacteria on the Handprint of an 8-Year-Old After Playing Outside

This petri dish handprint created by Tasha Sturm of Cabrillo College, vividly illustrates the variety of bacteria found on her 8-year-old son’s hand after playing outdoors. The print itself represents several days of growth as different yeasts, fungi, and bacteria are allowed to incubate. It’s safe to say almost everything you see growing in this specimen is harmless and in many cases even beneficial to a person’s immunity, but it just goes to show why we sometimes it’s good to wash our hands. Ondes électromagnétiques. Anatomie / médecine / santé. Boire de la bière rendrait plus intelligent.

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Anatomie / médecine / santé. Dataset 140818. What are those floaty things in your eye? - Michael Mauser. How exactly did the eye evolve?

What are those floaty things in your eye? - Michael Mauser

For the answer, watch Evolution—How Eyes Evolved by Nova. How did this awesome defense mechanism come to be such an essential survival tool for the animal kingdom? For more information on seeing floaters as well other things within the eye see the video: "See inside your eye, Part 1: Using a point light source to see floaters and cataracts. " Scientists create an emotion atlas of the body (Infographic) BioDigital Human: Anatomy and Health Conditions in Interactive 3D. Sébastien Freudenthal / Pinterest.