They could be the tiniest heroes in the war against cancer. Transparent fish with human-like genes are allowing scientists to solve the mystery of how cancer grows and spreads. Tanks at Harvard ...

Zebrafish are genetically similar to humans and are good models for human biology and disease. Now, researchers at Children's Hospital Boston have created a zebrafish that is transparent throughout ...

We now know how ghost catfish get their rainbow shine. These small fish, popular for home aquariums because of their near-complete transparency, get their iridescence from fibres in their muscles, ...