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350-px-Alexander-Gyasi-UndergraduateReseachSympo-27-CRedit-Emily-Zollo

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Gyasi Alexander presents at the 2017 Undergraduates Research Symposium in MBL's Lillie Auditorium. Credit: Emily Zollo

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Dimensions: 350 × 232 pixels

Gallery

California two-spot octopus. Credit: Yen Chyi Liu

Longfin Squid: Credit. Roger Hanlon

Jellyfish adult, dissecting microscope. Credit: Elizabeth Lee — Jellyfish adult, dissecting microscope. Credit: Elizabeth Lee | Equipment: Zeiss Axiocam 506 mono 4x objective

Sea Squirt (Ciona) embryo. Credit: Laurence Lemaire — Sea Squirt (Ciona) embryo. Credit: Laurence Lemaire | Equipment: Zeiss 880 confocal microscope with Airyscan detector

Rotifer. Credit: Kristin Gribble | Equipment: Zeiss Axiovert

MBL Veterinarian talking about Animal Health during an MBLSciShoots learning lesson.

Sea Squirt (Ciona) embryo. Credit: Laurence Lemaire — Sea Squirt (Ciona). Credit: Laurence Lemaire | Equipment: Leica stereomicroscope

Nexus between phylogeny and function of the newly discovered nitrogen fixers in surface ocean metagenomes. (a) Phylogenomic analysis of 432 Proteobacteria genomes and 43 Planctomycetes genomes that Delmont and colleagues characterized (including the nine non-photosynthetic N fixers) using a collection of 37 phylogenetic marker gene families. Layers surrounding the phylogenomic tree indicate genome size and taxonomy of each genome at the phylum and class level. (b) Functional network of the nine non-photosynthetic N fixers based on a total of 5,912 identified gene functions. Size and color of genomic nodes represent the number of detected functions and genomic taxonomy, respectively. The color of functional nodes indicates their occurrence in the different genomes. Credit: Delmont et al (2018) Nature Microbiology, doi: 10.1038/s41564-018-0176-9

Axolotl with melanism (a dark axoltl). Credit: Karen Echeverri. — Axolotl with melanism. Credit: Karen Echeverri | Equipment: iPhone

Annelid (Platynereis). Credit: Ryan Null — Annelid (Platynereis). Credit: Ryan Null | Equipment: Nikon D5000 DSLR Camera

The view off the stern of The Gemma. Credit: Louis Prahl, postdoc, University of Pennsylvania

A girl in a pink hat holds two sea urchins in front of her with visible egg and sperm. — Ceri Weber, postdoc at UCSD and student in the 2021 Embryology course holds up two sea urchins on the deck of The Gemma — one with visible eggs and the other with visible sperm. Credit: Sierra Marable, Postdoc, Caltech

Day old jellyfish hatchling. Credit: Elizabeth Lee — Day old jellyfish hatchling. Credit: Elizabeth Lee | Equipment: Olympus IX81 equipped with a color CCD camera, Olympus DP73 with a 10x objective on a polychromatic polarization microscope invented at the MBL by Michael Shribak

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