Wellcome uses cookies.

Read our policy
Skip to main content

Stories

Images

  • "Marilyn at the cellular level"
  • SEM tooth surface, levels of tartar
  • Testing diabetic dog glucose level in blood
  • Testing diabetic dog glucose level in blood.
  • Potassium level, raised K + 9.6
  • Three-tiered symbolic diagram of the art of alchemy: top level, symbols of the states of matter; middle level, cabalistic diagrams; lower level, the two techniques of alchemy: distillation and calcination. Engraving by R. Custos, 1616.
  • Three-tiered symbolic diagram of the art of alchemy: top level, symbols of the states of matter; middle level, cabalistic diagrams; lower level, the two techniques of alchemy: distillation and calcination. Engraving by R. Custos, 1616.
  • Three-tiered symbolic diagram of the art of alchemy: top level, symbols of the states of matter; middle level, cabalistic diagrams; lower level, the two techniques of alchemy: distillation and calcination. Engraving by R. Custos, 1616.
  • Reduction in mRNA levels due to RNAi
  • Radiograph: low fixer level producing a fluid line