(Before It's News)
How many fossilized osteons can you find in the following image?
Note 1: Field of view for the above image is 3.2 cm by 3.2 cm. Magnification is about 17X. Microscope used is somewhat like stereomicroscope.
Note 2: The material in the image has not been brushed or ground.
Note 3: If you can find more than three clusters of osteon remains, then you have passed the test.