Uzay B. Dündar

Uzay B. Dündar

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Scanning electron micrograph of rods and cones in the eye. Rods are long nerve cells which respond to dim light, enabling images to be detected. Cones are shorter cells which detect color. Rods and cones pass visual signals through the optic nerve to the brain. Credit: RALPH C. EAGLE, JR. /SCIENCE PHOTO LIBRARY

Scanning electron micrograph of rods and cones in the eye. Rods are long nerve cells which respond to dim light, enabling images to be detected. Cones are shorter cells which detect color. Rods and cones pass visual signals through the optic nerve to the

Scanning electron micrograph of rods and cones in the eye. Rods are long nerve cells which respond to dim light, enabling images to be detected. Cones are shorter cells which detect color. Rods and cones pass visual signals through the optic nerve to the brain. Credit: RALPH C. EAGLE, JR. /SCIENCE PHOTO LIBRARY

Scanning electron micrograph of rods and cones in the eye. Rods are long nerve cells which respond to dim light, enabling images to be detected. Cones are shorter cells which detect color. Rods and cones pass visual signals through the optic nerve to the

Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (purple) engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (pink).

Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (purple) engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (pink). Wow I had TB when I was a kid, like 4 yrs old.

Crenated red blood cells, SEM. Crenation is caused by dehydration. Yikes!

Coloured scanning electron micrograph (SEM) of a section through an arteriole (small blood vessel), showing crenated red blood cells inside. Crenation is caused by dehydration, which distorts the cell.

E. coli.

Genetically engineered bacteria can be used to attack other bacterial species How Nano Sized Colloidal Silver Kills Bacteria:)