A monogenean flatworm
| 4 min read
New techniques to quantify what lived in and on preserved animals throw light on how parasite abundance has changed over time.

fish

Infographic comparing the fall and spring salmon runs

Infographic: An Incredible Journey

Timeline summarizing a series of petitions filed about the Chinook salmon

Timeline: An Extended Battle

A green and white fish swimming underwater

Rockfish Genes Hold Clues to Human Longevity

a yellow-ish fish skull is held up by metal prongs, with a rack of other museum collection items in the background

Fossilized Fish Teeth Could Be Earliest Evidence of Cooking

A tropical angelfish 

Genome Spotlight: Freshwater Angelfish (Pterophyllum scalare)

Green fish with boat behind

The Deepwater Horizon Oil Spill’s Hidden Impacts on Mahi-Mahi      

Drawing of fish with internal anatomy.

Researchers Visualize Heart From 380-Million-Year-Old Fish

An Edith’s checkerspot butterfly

Genome Spotlight: Edith’s Checkerspot Butterfly (Euphydryas editha)

Chinook salmon swimming in the water

Probable Chlorine Exposure Kills 21,000 Fish at UC Davis

A yellow-orange, translucent artist's rendition of a yunnanozoan, an ancient wormlike fish, that highlights the arches that make up its cartilage skeleton.

This Simple Fish May Have Been One of the First Vertebrates

caged panels submerged underwater

How Rising Temperatures Affect Ocean Predation

Archerfish in the deep transparent water.

Archerfish Defy Notion that Complex Vision Requires a Cortex

A school of juvenile spiny chromis (Acanthochromis polycanthus)

Human-Made Noise Disrupts Fish Parenting

Giant manta ray swimming

Science Snapshot: Giant Manta Ray Sanctuary

Photo of fish in the Haemulidae family

Fish Are Chattier Than Previously Thought

A tubifer cardinalfish

Genome Spotlight: Tubifer cardinalfish (Siphamia tubifer)

illustration of yellow fish with red stripe down its back

Can These Fish Do Math?

An artistic rendering of a dinosaur fleeing a wall of water

Cretaceous Meteor That Killed Most Life on Earth Hit in Spring

goldfish in tank

Researchers Train Goldfish to “Drive”

school of fish

Making Waves and Avoiding Beaks

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A red male cardinal and a brownish female sit on a branch in front of a green background.

Sex Determination: It’s in the Genes—Sometimes

A group of large animals, some of which are being studied for cancer resistance genes and proteins, are pictured, including a bison, an elephant, a giraffe, a manatee, a zebra, and a whale.

Peto’s Paradox: How Gigantic Species Evolved to Beat Cancer

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

An artistic rendition of polycystic ovarian syndrome, showing ovarian cysts represented by paper balls.

An Anti-Malarial Drug Could Ameliorate PCOS Symptoms

Multimedia

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Olink® Reveal: Accessible NGS-based proteomics for every lab

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Discover the history, mechanics, and potential of PCR.

Become a PCR Pro

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A greyscale image of cells dividing.
March 2025, Issue 1

How Do Embryos Know How Fast to Develop

In mammals, intracellular clocks begin to tick within days of fertilization.

View this Issue
Discover the history, mechanics, and potential of PCR.

Become a PCR Pro

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3D rendered cross section of influenza viruses, showing surface proteins on the outside and single stranded RNA inside the virus

Genetic Insights Break Infectious Pathogen Barriers

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A photo of sample storage boxes in an ultra-low temperature freezer.

Navigating Cold Storage Solutions

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The Immunology of the Brain

The Immunology of the Brain

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Sapio Sciences Makes AI-Native Drug Discovery Seamless with NVIDIA BioNeMo

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New DeNovix Helium Nano Volume Spectrophotometer

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Olink® Reveal: Accessible NGS-based proteomics for every lab

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Zymo Research Launches the Quick-16S™ Full-Length Library Prep Kit