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Snowflake under Scanning electron microscope sequence.

from Sixth Bloom- Lifestyle, Photography & Family Blog

5 Photography Hacks You MUST Try

5 Photography Hacks You MUST Try More

Mutiny! mutiny in the body is a constant occurrence, many believe, as healthy cells somehow escape the mechanisms that regulate cell growth and turn cancerous. Fortunately, antigens on their surfaces sometimes alter slightly, changing from self to non-self. Thus the cells become targets for Killer T-cells, like these surrounding this large cancer cell.