Time Memory in Bees
Learn about landmark experiments that established internal clocks as the source of circadian rhythms in animals
Bioluminescent and Fluorescent Reporters in Circadian Rhythm Studies
Read about the biology, application, and experimental design of fluorescent reporters in circadian studies
In-Lab Video Series: Rodent Wheel-Running Experiment
Learn how to design, perform, and analyze a rodent wheel-running experiment.
The Transcriptomic Motion Picture of Marine Microbes
A blog post about understanding daily rhythms in marine microbes.
Common Clock Mechanism Graphics Tool
Use our free editable powerpoint file of mammalian, fly, and plant molecular clock mechanisms in presentations and papers
Links Between Mood Disorders and Circadian Rhythms
Learn about the behavioral assays and gene manipulations used in rodent models to explore links between circadian rhythms and mood disorders
Structural Changes of the Cyanobacterial Clock
Watch the structural nanomachine of the cyanobacterial circadian oscillator come to life in this video made by our colleagues.
Luciferase Reporters for Cyanobacteria in Circadian Research
Learn how luciferase reporters are used to study circadian rhythms in cyanobacteria
Healthy Light Exposure Infographic
Learn the do's and don'ts of light exposure that affect circadian rhythms and sleep
Luciferase Reporters for Mammals in Circadian Research
Learn how luciferase reporters are used to study circadian rhythms in mammals
Exploring Processes C and S Part 2: Forced Desynchrony
Learn how sleep researchers use a "forced desynchrony" protocol to separate effects of processes C and S on sleep
The 2-Process Model of Sleep
Learn how a homeostatic drive and the circadian clock control the timing of sleep
Cellular Oscillators
Learn about "clocks in a dish," and how in vitro mammalian clocks can be used to study circadian rhythms
Circadian Clock-Controlled Genes Part 1
An introductory tutorial video on the mechanisms of mammalian molecular circadian clock regulation, and how the clock regulates other genes.
Entrainment Simulator
Explore basic concepts of circadian entrainment, phase response curves, and phase shifts with our Entrainment Simulator
Phase Response Curves
Understand phase response curves, an important - but tricky! - circadian concept
An Introduction to Chronobiology
Read our three-part introduction to basic concepts in chronobiology
The Suprachiasmatic Nucleus: Lesion & Transplant Experiments
Learn about landmark experiments that demonstrated the role of the suprachiasmatic nucleus (SCN) in circadian rhythms
Effects of Sleep Deprivation on Attention and Mood
Learn about the effects of sleep deprivation on attention and mood.
Photoperiodic Flowering Part 2
Part 2, the advanced mechanisms how plants measure night- and day-length to determine when to flower