In-Lab Video Series: Rodent Wheel-Running Experiment
Learn how to design, perform, and analyze a rodent wheel-running experiment.
Photoperiodic Flowering Part 2
Part 2, the advanced mechanisms how plants measure night- and day-length to determine when to flower
Luciferase Reporters for Cyanobacteria in Circadian Research
Learn how luciferase reporters are used to study circadian rhythms in cyanobacteria
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
Luciferase Reporters for Mammals in Circadian Research
Learn how luciferase reporters are used to study circadian rhythms in mammals
Phase Response Curves
Understand phase response curves, an important - but tricky! - circadian concept
Time Memory in Bees
Learn about landmark experiments that established internal clocks as the source of circadian rhythms in animals
Human Circadian Variation: Genetic Approaches
Learn how genetic manipulations in model organisms and in vitro establish circadian links to human variation in chronotype
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.
Bioluminescent and Fluorescent Reporters in Circadian Rhythm Studies
Read about the biology, application, and experimental design of fluorescent reporters in circadian studies
The 2-Process Model of Sleep
Learn how a homeostatic drive and the circadian clock control the timing of sleep
Properties of Entrainable Oscillators
Learn the properties that define an entrainable biological circadian oscillator
The Suprachiasmatic Nucleus: Lesion & Transplant Experiments
Learn about landmark experiments that demonstrated the role of the suprachiasmatic nucleus (SCN) in circadian rhythms
Luciferase Reporters in Circadian Research
Learn how luciferase reporters are used in circadian biology
Establishing the Genetic Basis of Circadian Rhythms: A Landmark Study
Learn about basic property of free-running periods of circadian oscillators
Interview with Dr. Lance Kriegsfeld
Hear Dr. Kriegsfeld discuss circadian rhythms and neuroendocrinology
Exploring Processes C and S Part 1: Napping Protocol
Learn how sleep researchers use a "napping" protocol to separate effects of processes C and S on sleep
Cyanobacterial Circadian Oscillator
Discover how three proteins interact to make a circadian oscillator mechanism in the cyanobacterium Synechococcus elongatus
Cellular Oscillators
Learn about "clocks in a dish," and how in vitro mammalian clocks can be used to study circadian rhythms
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.