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Researchers Around the World


Life Across Latitudes

The first humans appeared in Africa in a region with latitude around 10 degrees, where there are approximately 12 hours of natural light and...

Teen sleep: Too late, too little, or both?

Sleep in adolescents has been a significant concern in many countries around the globe.  Scientists and physicians have determined that the optimal sleep need...

Does Sleep Reflect Daytime Experience in Specific Parts of the Brain?

The dolphin sleeps with one half of its brain at a time, while the other half stays awake. This was shown by the Russian...

The Ecological Impacts of Light at Night

The manifold biological uses of light have served organisms extremely well for millenia. But now, ever more rapidly, the great certainty that "night follows...

Melatonin and Its Uses

Google “melatonin” and the search engine will provide nearly 2 million references at the time of writing (August 2020). These vary from factual science...

Light and Darkness Fundamentally Affect Biology

That "night follows day" has been of outstanding certainty to us humans (Hamlet, by William Shakespeare). And indeed, at any place on Earth, it...

Do Insects Sleep?

When your dog is tired, she looks for a suitable place to lie down, closes her eyes, and nods off. There is little doubt...

Depression and Anxiety in COVID-19 Survivors

“After three weeks of treatments, I was healing from COVID, at home, had no fever, and just a little cough. But sometimes at night,...

We Are Clockworks

Fifty years ago, circadian rhythm research underwent a monumental breakthrough with the discovery of a tiny area of the brain, the suprachiasmatic nuclei (SCN),...

The Antarctic as a Chronobiologist’s Dream Lab: What we can learn from dark polar winters and bright polar summers

  Polar regions are hostile environments for human beings. We are not equipped like the wildlife to survive the extreme temperatures and light conditions without...