Take a look at the incredible barreleye fish and learn why they have a transparent forehead and glowing green eyes.

One of the fish’s advantages is clear—literally. Because embryos are transparent and develop outside the mother’s body, scientists can manipulate genes to model human diseases and directly ...

Obama challenged the nation’s “most imaginative and effective researchers” to map in real time the flickerings ... of brain activity in a transparent baby zebra­fish, a landmark feat ...

Now, more than 100 labs around the world are using these transparent fish to study cancer pathology and development in real time. “The field of in vivo imaging—looking at things that are ...

sent an aquarium of Medaka fish, called the Aquatic Habitat (AQH), to the International Space Station, where scientists will collect data on how the low gravity, high radiation environment of space ...