A developing embryo with DNA labeled blue, cell boundaries labeled pink, and certain cells fluorescing green.
The First Two Cells in a Human Embryo Contribute Disproportionately to Fetal Development
Shelby Bradford, PhD | May 13, 2024 | 4 min read
A research team showed that, contrary to current models, one early embryonic cell dominates lineages that will become the fetus.
A DNA strand and a barcode representing the DNA barcoding technique.
DNA Barcoding: Species Detection and High Throughput Assays
Priyom Bose, PhD | 7 min read
DNA barcoding is a fast sequencing-based technique that scientists use to catalog all life on Earth or perform high throughput bioanalyses.
Cartoon of a turtle inside of an ice cube.
The First Turtle Organoids
Danielle Gerhard, PhD | May 13, 2024 | 5 min read
Herpetology meets hepatology as scientists develop new tools for exploring how turtles survive freezing, oxygen-poor environments.
A blue microscopy image of mouse brain cells, with dorsal raphe neurons shown in red.
A Novel Panic Pathway in the Brain
Hannah Thomasy, PhD | May 10, 2024 | 5 min read
A neural pathway driving panic-like behaviors in mice points to new therapeutic targets.
3D illustration depicting white and red blood cells flowing in a network of blood vessels.
How Migrating Cells Navigate Biological Mazes
Laura Mac-Daniel, PhD | 4 min read
A key protein that detects changes in plasma membrane curvature guides immune-like cells through environmental obstacles.
White and white and black mice in an overcrowded cage.
Viruses Keep Mice from Stressing Out
Shelby Bradford, PhD | May 9, 2024 | 3 min read
Gut viruses influence behavioral responses in mice and may be important players in the gut-brain axis.
Two cells fluorescently stained for normal (red) and damaged (green) lysosomes.
Cancer Cells Spread When They Stop Recycling Waste
Kamal Nahas, PhD | May 8, 2024 | 4 min read
An immune-inhibiting protein that regulates autophagy halts breast cancers from venturing across tissue borders.
Two prairie voles are interacting with one another. The vole on the left sniffs the cheek of the vole on the right.
Be My Vole-entine: How Love and Loss Change the Brain
Paige Nicklas | 4 min read
Neuroscientists studying prairie voles discovered that dopamine in the brain gushes when the animals are with their life partners and that loss of a partner erased this neurochemical signature.
Light shines through a dilated pupil to illuminate the light red retina, blood vessels, optic disc and macula.
Gut Bacteria Slip into the Eye
Rachael Moeller Gorman | May 9, 2024 | 5 min read
A gene mutation causes porous gut and retinal barriers, allowing bacteria to travel from one to the other, triggering retinal degeneration in mice.
An artistic illustration of the female reproductive system.
Outsmarting Ovarian Cancer
Mariella Bodemeier Loayza Careaga, PhD | May 8, 2024 | 4 min read
Biochemist Sharon Stack hopes to advance the field of ovarian cancer by exploring the tumor and host-related factors that influence its metastatic process. 
Image showing the legs of multiple people running in the street. 
Another Reason to Challenge Yourself at the Gym
Alara Tuncer | 4 min read
In a chronic stress model, challenging exercise reduced anxiety by activating a three-neuron loop across brain regions.  
A synthetic protein lawnmower cuts across a lawn of peptides.
Revving Up a Protein Lawnmower
Laura Tran, PhD | May 7, 2024 | 4 min read
Scientists devised a synthetic protein-based motor fueled by biological reactions to cut through a peptide lawn.
Cuboidal DNA origami block containing parallel double helices (gray columns) decorated with tumor antigens (green proteins) and CpG adjuvants (yellow helices) on opposing faces.
Fighting Tumors with DNA Origami
Kamal Nahas, PhD | May 6, 2024 | 5 min read
Researchers bolster antitumor immune defenses using cancer vaccines made from DNA origami.
A yellow-bellied marmot being held in the arms of a researcher while they collect a cheek swab from the marmot.
Exploring the Link between Sociality and the Marmot Gut Microbiome
Harita Sistu | 4 min read
The marmot social microbiome is unlike that of other mammals, adding a new perspective to wildlife conservation efforts.