Black-and-white microscopy image of microspheres in snake’s solid “pee”, also known as urates.
| 3 min read
Scientists know that reptiles “pee” solids, but the structure and chemistry of these wastes remained a mystery—until now.

nitrogen

Artist’s rendition of a neuron silhouetted against a glowing red background.

SNO-y Protein Levels Help Explain Why More Women Develop Alzheimer’s

Matthieu Groussin sits with three other people on stools in front of a low table, on which there are several bowls of food. Another person stands above Groussin spooning something into a bowl.

Q&A: Gathering Diverse Microbiome Samples

Rows of soybean plants with green leaves beneath a partially clouded sky with the rising sun in the background.

As Carbon Dioxide Goes Up, Plants’ Nutrient Content Declines

A mesquite tree in an arid environment

Climate Change May Favor Nitrogen-Fixing Plants

Natural sunbeams underwater through water surface in the Mediterranean sea on a seabed with neptune grass, Catalonia, Roses, Costa Brava, Spain

Marine Plant Partners with Microbes Like Terrestrial Plants Do

Infographic showing how a new bacteria species called <em>Candidatus Celerinatantimonas neptuna</em> lives in seagrass and how it provides the plant with nitrogen

Infographic: Nitrogen-Fixing Bacteria Live Inside Seagrass Roots

Photo of Romaine River in Quebec

Microbial Analysis of River Reveals Considerable Diversity

small striped mammal

Gut Microbes Help Ground Squirrels Endure Hibernation

Cicada nymph on a tree, shedding its exoskeleton

Scientists Go Down the Cicada Hole

Trending

An old medical illustration features the ear in the center with nerves of the head shown in yellow.

The Ear as a Therapeutic Gateway to the Vagus Nerve

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

Universe 25 Experiment

3D illustration showing three differently colored semi-translucent cells, representing different T cell subtypes, on a black background. A purple cell is in the front on the right, a red cell is on the left, and a blue cell sits behind the red one.

T Cell Nomenclature Gets an Update

A yellow-colored frozen frog.

Freeze-Tolerant Frogs Power Organ Cryopreservation Strategies

Multimedia

Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Colorful abstract spiral dot pattern on a black background

Thermo Scientific X and S Series General Purpose Centrifuges

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Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026, Issue 1

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.

View this Issue
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina
Exploring Cellular Organization with Spatial Proteomics

Exploring Cellular Organization with Spatial Proteomics

Abstract illustration of spheres with multiple layers, representing endoderm, ectoderm, and mesoderm derived organoids

Organoid Origins and How to Grow Them

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BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

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Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

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Thermo Scientific X and S Series General Purpose Centrifuges

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VANTAstar Flexible microplate reader with simplified workflows

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