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Submitter shows microscopic view of fish embryo blood flow

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.

Submitter shows transgenic fish embryos under microscope with laser light

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

Submitter shows blood cells in Zebrafish Embryos

Submitter shows blood cells in Zebrafish Embryos

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

Heartbeat visible on thumb covering phone flashlight

Heartbeat visible on thumb covering phone flashlight

My nail is currently infected and my finger is throbbing strongly to the rhythm of my heart. When I position the camera flash under my thumb, my heartbeat and blood flow can be seen through the change in light. This is probably how heart rate measurement also works.

Feet slowly turns color red from white

Feet slowly turns color red from white

I have always had a bad blood circulation. My doctor told me it was because I had « Viking blood » basically, to avoid loosing heat, blood does not reach my extremities. I m not sure this is 100% true but it is kinda fun and I am almost never cold. The video was recorded in my room where the temperature was 21 degrees Celsius.

Spider body parts seen under the microscope

Spider body parts seen under the microscope

Spider under the microscope, you can see the haemolymph (spider blood) flowing in its leg towards the end of the vid, I thought it's cool.

Man Gives Bay Variety of Massage Techniques

Man Gives Bay Variety of Massage Techniques

Submitter records a man give massage to a baby in diaper on table, stretching and pressing on it gently to help with blood flow and bonding

Woman confused why her walls leak blood

Woman confused why her walls leak blood

Instagram video showing woman confused why her walls leak blood under the mirror. She tries to find a reason why.

Small green caterpillar bloodstream at its back

Small green caterpillar bloodstream at its back

This is what Caterpillar's heart beats and blood stream looks like

Woman red coat picnic blanket ice rink

Woman red coat picnic blanket ice rink

This girl put a little rug and a table with some flowers on the ice and sat there for an hour with her selfie stick with hot chocolate and wine but not drinking any of it, while families and ice skaters moved past her. She sat in the same position for so long I was afraid she was gonna lose blood flow to her legs..