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Sally Warring (@pondlife_pondlife) Instagram Profile Photo


Sally Warring

πŸ”¬πŸŽ₯ Documenting the single cellular life of New York City (and occasionally beyond), one pond at a time. Profile image by @raminrahni πŸ’šπŸ¦

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Sally Warring (@pondlife_pondlife) Instagram photos and videos

List of Instagram medias taken by Sally Warring (@pondlife_pondlife)

A time-lapse movie showing a Eudorina colony going through a few rounds of cell division and colony formation. This ~20 second clip covers about 6 hours in real-time. . Each green cluster here was once a single cell. It goes through a few rounds of cell division to produce a flat plate of cells (16 cells total). That flat plate of cells then and up to form the typical Eudorina colony - a rounded cluster of cells. The new colony then starts to move around and spin, and eventually they will break free of the mucus layer that used to be surrounding the mother colony, and now surrounds them. . . . . . . . . . .

New York, New York

I love these little wrigglers so much. These are from my cell culture collection. They are Eudorina algal colonies that were started from a single individual colony. . That means that all the colonies here should be nearly identical genetically. But every now and again you see a colony that looks a little different from the rest - it’s not quite the right shape, or it has random bits protruding. . Changes occur in some of the cells that mean they are expressing different genes, or expressing genes at different times from the other cells, and that means they end up looking different. It’s not that they contain different genes (every cell here has the same genes), what often matters for variation is what genes are turned on or off at what time, or in what combination. That produces variety too, and is the reason the cells from the different tissues in your look very different, even though they all contain the same genes. . . . . . . . . .

Yonkers, New York

I love finding these big centric diatoms. They’re amazing detailed tiny organisms common in brackish and salt water, just like the water where I found this one in the lower Hudson. . The diatom lives within a glass shell called a frustule. As we zoom in we see this one’s frustule is detailed with rows of tiny dots. Inside is a single cell that contains many golden brown chloroplasts. Here they remind me of giraffe spots πŸ¦’. . . . . . . . .

Yonkers, New York

A ghost of crustacean past. . Many crustaceans go through several larval stages before reaching their form. Each time they grow and change they shed their old exoskeleton and emerge anew. These ghostly exoskeletons get left behind to float on the current or sink to the sediment. . . . . . . . .

Yonkers, New York

I took a short trip up the Hudson River last week and managed to grab a quick sample from the brackish waters of the lower Hudson. Thanks Yonkers!

These beautiful freshwater drifters are a true pleasure to observe. They are dinoflagellates called Ceratium, a common organism in high nutrient environments, like city ponds. I found these ones blooming in Central Park earlier this year. . Ceratium looks like a battleship because it’s covered in hard plates called theca that act to stabilize and protect the cell. Those theca plates allow the cell to grow such beautiful shapes, like the long points you see on this species. . . . . . . . .

A big round ciliate gently caresses some Spirogyra filaments, spreading love everywhere it goes. Found this on in the Pondlife archives. . . . . . . . .

Central Park

Earlier this year I had an awesome experience shooting a short piece about Pondlife with thanks to @sciencesandbox. The video documents some of my recent activities with Pondlife in the microscopic metropolis of New York City. Link for the video is in my stories πŸ’šπŸ¦ . Photos by @dbrisk1024

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