Here we present a series of remarkable microscope views of various stages in cancer growth and angiogenesis, or growth of new blood vessels. Shot during experiments with laboratory chicken embryos ...

Microscopic – walls are one cell thick ... Very low blood pressure. The structure of the blood vessels can be easily compared when they are seen in this cross-section (not to scale).

Low-density lipoproteins (LDL)—commonly known as bad cholesterol—have long been on scientists' radar as a major contributor ...