Jessica Mark Welch

@jmarkwelch.bsky.social

543 Followers 977 Following

Microbial ecologist at the Forsyth Institute, adjunct at the Marine Biological Laboratory. Favorite hobby: taking pictures of goo.

A small clump of leathery green leaves and light-pink flowers surrounded by pine needles and oak leaf litter. Mayflower, the state flower of Massachusetts.
An image of a sunset along Surf Drive in Falmouth, Massachusetts. The clouds are dark purple and orange, the sky behind them is yellow, and clouds and sky are reflected in shallow water with ripples breaking up the reflection.
A large snail clinging upside down to a branch in El Yunque, Puerto Rico. Its long cream-colored body is glommed on to the branch like you wouldn't believe.
A large crowd stands on the town green in Falmouth, Massachusetts, on Cape Cod, with signs saying "No Kings" and a rainbow banner saying "Everyone Is Welcome Here". Among the crowd are a large inflatable shark and a large inflatable lobster. The sky is blue, the steeple of a church rises in the background, and American flags are flying.
People at a rally wearing yellow shirts and holding signs that say "No Kings" and "This is not a left or right moment, it's a right or wrong moment"
People wearing large inflatable shark and lobster costumes next to signs saying "No Kings" and a rainbow banner saying "Everyone is Welcome Here". They are standing on the town green behind a white fence in Falmouth, Massachusetts, and there is a church with a tall steeple in the background.
A large group of people on a New England town green in Falmouth, Massachusetts, with the white steeple of a church in the background. The American flag is flying and signs say "No Kings" and "Indivisible Falmouth".
A large crowd of people standing behind a low white fence on a New England town green, holding signs that say "No Kings". A purple banner in the front with rainbow-colored letters spells "PEACE" using letters from the words hoPe, lovE, equAlity, inClusion, and kindnEss.
A large crowd gathers in Waterfront Park, Woods Hole, Massachusetts with signs supporting science!
A photomicrograph of dental plaque bacteria showing two large clusters of filaments of the bacterium Corynebacterium matruchotii, colored magenta, separated by "corncob" structures made up of rows of Streptococcus bacteria, colored green. Photo by Jessica Mark Welch, more information at https://doi.org/10.1073/pnas.1522149113
A photomicrograph of bacteria from dental plaque, in which streptococci form a bright green ring shaped like a wreath, and other bacteria shown in red and blue look like decorations and a red bow at the top. Overlaid text says "Wishing you and your microbes a joyful holiday!" For more information, see https://doi.org/10.1073/pnas.1522149113
A full moon rises in a bluish-purple sky over the seashore, reflecting in the water. Falmouth, Massachusetts