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  1. Submitter shows microscopic view of fish embryo blood flow00:28

    Submitter shows microscopic view of fish embryo blood flow

    I work in a stem cell research lab - this is a video of blood flow in a fish embryo. You can easily see the heart and blood cells individually, the heart pump, and the way the blood is pushed through the vascular system with each pump.

    08/06/2025
  2. Submitter shows transgenic fish embryos under microscope with laser light 00:26

    Submitter shows transgenic fish embryos under microscope with laser light

    I work in a stem cell research lab. This video shows transgenic fish embryos that have a fluorescent protein marker in their heart, and some without it. The heart glows green when visualized with a laser, the change in the middle of the clip is a switch from a laser to a regular light, which allows you to see the blood flow and more details of the embryo

    08/06/2025
  3. Submitter creating transgenic fish injecting fish embryos 01:35

    Submitter creating transgenic fish injecting fish embryos

    I work in a stem cell research lab in LA, this is a video of me doing micro injections into fish embryos to create transgenic fish.

    08/04/2025
  4. Submitter shows blood cells in Zebrafish Embryos00:11

    Submitter shows blood cells in Zebrafish Embryos

    See individual cells as the blood flows in these zebrafish embryos at a stem cell research facility

    07/26/2025
  5. Guy offers worm to armadillo on grass00:17

    Guy offers worm to armadillo on grass

    Looked out my porch and saw 4 young nine-banded armadillo. Turns out they always have litters of identical quadruplets. A single fertilized egg splits into four identical embryos that can be either all male or all female. I went down to film them up close, they have terrible vision so this was relatively easy to do. During that one of them dug up an earthworm. I could tell the dillo was looking for it so I decided to try and feed it to the armadillo. As you can see it grabbed the worm from me with ferocity once it was able to smell it. Guy gives baby armadillo a worm he found in the grass. Armadillo jumps and grabs the worm from him.

    08/11/2021