Clock News

A Blog Around The Clock

Category archives for Clock News

You know I love it, love it, love it, when scientists blog about their own published papers, explaining to the lay audience what they did, how they did it, why they did it, and what it all means. And when this happens in my own field, I take notice! Who am I to explain this…

Clock Quotes

As long as we are persistent in our pursuit of our deepest destiny, we will continue to grow. We cannot choose the day or time when we will fully bloom. It happens in its own time. – Denis Waitley

Whenever I read a paper from Karl-Arne Stokkan’s lab, and I have read every one of them, no matter how dense the scientese language I always start imagining them running around the cold, dark Arctic, wielding enormous butterfly nets, looking for and catching reindeer (or ptarmigans, whichever animal the paper is about) to do their…

Yes, years after I left the lab, I published a scientific paper. How did that happen? Back in 2000, I published a paper on the way circadian clock controls the time of day when the eggs are laid in Japanese quail. Several years later, I wrote a blog post about that paper, trying to explain…

That is, among 20 new articles in PLoS ONE today. As always, you should rate the articles, post notes and comments and send trackbacks when you blog about the papers. You can now also easily place articles on various social services (CiteULike, Mendeley, Connotea, Stumbleupon, Facebook and Digg) with just one click. Here are my…

I am not the only one on ScienceBlogs.com to write about circadian rhythms, sleep and (non-visual) photoreception. Over the years, my SciBlings have written about these and related topics as well. Here is a sampler – go and dig for more on their blogs. Stimulant Improves Sleep Locked-In Syndrome Opioids and Sleep Disorders Home Testing…

If you ever glanced at the circadian literature, you have probably encountered the statement that “circadian rhythms are ubiquitous in living systems”. In all of my formal and informal writing I qualified that statement somewhat, stating something along the lines of “most organisms living on or near the Earth’s surface have circadian rhythms”. Why? In…

Most people are aware that social insects, like honeybees, have three “sexes”: queens, drones and workers. Drones are males. Their only job is to fly out and mate with the queen after which they drop dead. Female larvae fed ‘royal jelly’ emerge as queens. After mating, the young queen takes a bunch of workers with…

Clock News

Two interesting new papers in PLoS Biology today: A Role for the PERIOD:PERIOD Homodimer in the Drosophila Circadian Clock: The current models of circadian clocks in flies and mammals involve the formation of complexes between clock proteins in the cytoplasm. These complexes are usually heterodimers (that is, made up of two different clock proteins) and…

Clock News

Circadian Clock: Scientists Model 3D Structures Of Proteins That Control Human Clock: Researchers at the Scripps Research Institute say they have taken a leap forward in their quest to understand the proteins that control the human circadian clock — the 24-hour wake-sleep cycle that, when interrupted, can lead to jet lag and other sleep disturbances.…