Do we need to protect the night?
If we talk about protecting the the enviornemtn, these days we very much focus on climate change. Scientist have known since more than years that we have a problem. And …
Green gardening around the clock
If you have a garden, and if you care for the environment, you have probably planted native flowers, created hiding places for all sorts of critters, don’t use pesticides, and …
Nature- and neighbour-friendly Christmas lights
It’s that time of year again. The days are getting darker and shorter. The moods are getting heavier. But there is a light at the end of the tunnel – …
Safety versus sleep – a conflict and an evaluation
„We need brightly lit streets to protect women from rape!” Really? Seriously?!? I’ve reached the point where I get angry – and I have some good arguments why we do …
Covid-19: Can Melatonin and Vitamin D help?
Right now, there is pretty much one topic: Covid-19. Many hope for a vaccine, but it’s not less important to find a treatment and others way to prevent infection. The …
Lights on for Corona!?
We are living in dark times. Let’s be honest, this year did not start well. Bush fires in Australia, war-mongering in the Middle East. Then we received news about a …
Light pollution and birds – Part 1: Journey to Death
It’s autumn time. Millions of birds meet in the sky for their journey to the South. For many of them it’s their first journey to a place they have never …
Light and sleep – or why we (usually) sleep at night
Sleep usually happens at night. For our ancestors, there were very practical reasons for this. Artificial light was expensive, high maintenance, and not without danger. Also, it was too dim …
Astronomy To Go: the travelling planetarium for schools
Where do you look when you’re out and about after dark? The street? The shopping windows? Your smartphone? Or up to the sky? Probably not the latter. I can fully …
Book-Review and Interview: „Under a Dark Sky“ by Lori Rader-Day
I’m quite picky with books these days. Time is precious, and there are so many average books in the shops that opening a new one often is a frustrating business. …