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CIE Wyszecki Gold Pin Awardee 2023: Luc Schlangen

Luc Schlangen received a prestigious four-yearly prize of the International Commission on Illumination (CIE), the Wyszecki Gold Pin Award for exceptional outstanding contribution in fundamental research. The award is given for his significant contributions to the development and advancement of the CIE System for Metrology of Optical Radiation for ipRGC-influenced Responses to Light in humans. This system for quantifying light provides the foundation for replicable research and...

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Article – Seeking temporal refugia to heat stress

Flexibility in activity timing may enable organisms to quickly adapt to environmental changes. Under global warming, diurnally adapted endotherms may achieve a better energy balance by shifting their activity towards cooler nocturnal hours. However, this shift may expose animals to new or increased environmental challenges (e.g. increased predation risk, reduced foraging efficiency). Read the whole article

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Documentary – The Dark Side of Bright Nights

Two young filmmakers,Tim Visser and Sander van Iersel have made a beautiful documentary about light and light pollution, which was first shown at the Rotterdam Film Festival, 2023, featuring BioClock researcher Kamiel Spoelstra. Watch The Dark side of Bright Nights

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Book – The clock with a thousand hands

A new Dutch book about the biological clock will be released on October 20 – De klok met duizend wijzers, translated to The clock with a thousand hands – How the biological clock influences your life. Anneloes Opperhuizen and Marijke Gordijn wrote the book that explains what the biological clock is, how it works and how it is discovered. They also describe how the clock influences physiological processes such as energy metabolism and immunity, but also behavior such as sleep. The...

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Nature friendly lighting in the city

The national organization for public lighting in the Netherlands (OVLNL) have published an article about BioClock in the technical magazine for public lighting. The article is accessible here (in Dutch).: https://heyzine.com/flip-book/1f9692687c.html#page/9

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How many moth species live in Amsterdam?

From May till September of this year, Amsterdam has been the research site of a large moth-project. At over 50 different places in the city of Amsterdam, citizens have collected data on the presence of nocturnal moths. These insects are very important for the pollination of plants but are strongly reducing in number, partly due to light pollution. Therefore, research is important and you can read the results of this study (in Dutch) here: Noord telt 276 Nachtvlindersoorten | Al het...

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Bioclock at The Night of Discoveries!

Last Saturday, the BioClock researchers Merlijne Smit and Laura Kervezee were at the arts and science festival The Night of Discoveries. On this beautiful summer evening, they performed a short public outreach activity at the Hortus Botanicus in Leiden. The festival visitors could do a short online test to discover whether they are a morning or evening person. They could show their result by placing a sticker on a poster, which provided a nice overview of the sleep-wake rhythm of the...

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