A dark haired man is asleep on a grey couch under a darker grey blanket. A box of tissues is under his arm, and he is holding a tissue in one hand.
| 2 min read
Some elements of human immune systems serve important functions beyond fighting infections.

sleep science

Artistic representation of a brain depicted as a clock on a background with one half in dark blue with yellow stars and one half in light blue with clouds.

Which Neurons Go to Sleep First in Humans? fMRI Can Tell

Black and white photo of Rechtschaffen looking at the camera

Pioneering Sleep Researcher Allan Rechtschaffen Dies at 93

illustration of a broken DNA strand

DNA Damage Makes Zebrafish Sleepy

J Allan Hobson smiling at camera, circa 2005

Groundbreaking Sleep Researcher J. Allan Hobson Dies at 88

sleep, lucid dreaming, dreaming, dreams, REM, communication, Morse code

Real-Time Dream Communication: Scientists Exchange Messages with Sleepers

Infographic: The Technology Scientists Use to Engineer Dreams

Contributors

Astrocytes, Not Just Neurons, Play a Role in Sleep

Waves of Fluid Bathe the Sleeping Brain, Perhaps to Clear Waste

Trending

Kirsty Wright is searching for evidence in a missing persons investigation. She is wearing a blue shirt and glasses. Behind her is dense vegetation and police procedural tape.

How a Forensic Biologist Exposed a DNA Lab Scandal That Shook Australia

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

Universe 25 Experiment

Hands holding an older woman’s hands.

One Gene Influences 75 Percent of Alzheimer’s Disease Cases

A picture of Rohita Roy, a postdoc at Stanford University.

Postdoc Portrait: Rohita Roy

Multimedia

The Scientist Placeholder Image

From Data to Discovery: Omics in Therapeutic Innovation

The Scientist Placeholder Image

Exploring Organoids for Disease Modeling Research

February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

View this Issue
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

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

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies