Animal biology picked up where the 3D scaffold left off. The rodents acted like living bioreactors, providing the biological materials and cellular activity to continue sculpting the human-like ears ...

To test whether enhancer activity — and therefore gene regulation — is similar in fish gills and human outer ears, Crump and his colleagues inserted human outer ear enhancers into zebrafish ...

Narrator: We have noses to smell, eyes to see, and ears to hear, right ... Whether it may be moving left to right or your body's moving up and down. Narrator: As you move around, fluid in the ...