A black and white headshot of Katherine Irving

Katherine Irving

Articles by Katherine Irving

A wooded ecosystem with mammoths alongside modern species such as arctic hares

Scientists Unearth the Oldest DNA Ever Found

Julie Trolle and Jef Boeke

Self Sufficient Cells?

a trio of infant mice, two brown mice on the ends and one white mouse in the middle

Mice Pass Epigenetic Tweaks to Pups

A mother mouse breastfeeds her offspring

Fast-Acting Nonhormonal Male Birth Control Prevents Pregnancy in Mice

a mouse moves away from the camera, its left leg caught in a cloth

Scientists Discover New “Superfast” Muscle Fibers in Mouse Limbs

an image of a slice of a rat brain is colored red on a black background. a lime green human organoid sits in the top left of the brain

Human Brain Organoids Transplanted Into Rats Respond to Visual Stimuli

Photo of Claudia Gerri

Claudia Gerri Studies the Mysteries of the Placenta

a human neuron illuminated in bright green on a black background.

Mitochondrial Metabolism Dictates Neurons’ Growth Rate

Pseudomonas aeruginosa biofilm

Double Agents: Engineered Bacteria Tackle Pathogenic Biofilms in Mice

a centrifuge from a birds-eye view, spinning quickly with a colored blur 

Scientists Use Centrifuge to Discover a Hormone

a newly hatched mosquito sits on top of water, with its discarded cocoon floating below

In Vitro Malaria Sporozoite Production May Lead to Cheaper Vaccines

three black mice lined up next to each other. the one on the left, fed a low-fat diet, has one small bald patch, the middle mouse, fed fish oil, has a large bald spot across its shoulders and back, and the right mouse, fed cocoa butter, has no baldness.

Fish Oil in Diet Can Cause Hair Loss in Mice, Study Finds

Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

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Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

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Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

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