If you are trying to identify which specific video you have, check if it matches these common "AJB" video subjects:

Initial state of the [Specimen Name] prior to [Stimulus/Growth].

Live tracking of moving samples in confocal microscopy ... - eLife

Rapid expansion of the [Cell Wall/Root Zone], indicating active division.

Slow-motion footage of insect-flower interactions.

Real-time recording of stomatal opening and closing.