Scientists breed see-through fish
Cancer researchers can see through the body of new breed of zebrafish to view the internal organs.
Researchers at Children's Hospital in Boston are able to directly view the internal organs of a specially bred zebrafish. Embryos of zebrafish have naturally transparent bodies but turn opaque when they get older. The new breed stays transparent throughout the fish's lifetime. Now, scientists can watch the spread of tumors in real-time.
Read the full story on Live Science: "Scientists create see-through fish, watch cancer grow"