This time-lapse video shows the development of the nervous system in a fruit fly embryo as it transitions to the larval stage. Fruit flies have ... notably those responsible for establishing the ...

This was particularly surprising given the fact that a developing zebrafish larva contains just 1 percent or so of the neurons in its adult counterpart. "When you are dealing with an organism like ...

A grid painted on a petri dish helps a NOAA technician sort through a sample and identify tiny organisms, such as the larval sergeant major damselfish on the left, just outside the middle row.

However, some organisms (including drosophila larvae) that have an ECS with a high viscosity in the outermost layer remained active in the microscope (larvae A, B and C) without suffering neither ...

The jerky movements visible toward the end of the video are a result of the larva developing its musculature and trying to move. And on the right, you can see in more detail the development of the ...