What Is It? #6

A. Virus isolated from the lungs of an extinct wooly mammoth

B. A minute scale that covers the flagella of a single celled organism

C. Proof that Microsoft does indeed have way too much power

D. A component of counterfeit protection in the new Canadian currency

E. A man-made structure fabricated by assembling individual iron atoms

Image courtesy Dr. Stephen Bates, Dept. of Fisheries and Oceans, Moncton, NB