A motley collection of ideas
DIY eco-projects, energy-saving ideas, and green curiosity.
The journey to Mars is approximately 480 million kilometers long and takes seven to eight months to complete. This raises a multitude of challenges, one of which is the provisioning of food for the crew. If we cannot carry sufficient supplies with us, is it possible to grow plants in space? How do plants develop … Read more
Below is a cheap automatic bird feeder you can build in 20–30 minutes from household materials with a few simple tools. Why winter feeding matters Winter can be a lean season for small birds: short days, cold nights, and snow or ice can make natural food harder to find. A simple feeder can help birds … Read more
In the spring of 2019, I wrote an article about the so-called “wasp garage,” prompted by the fact that these things started appearing in many supermarkets and pet stores. Lots of people bought them, put them out in their gardens—and nothing happened. NGOs and local governments also installed them in public spaces, and there are … Read more
It is not widely known that Hitler was a vegetarian, and even fewer people know that he was also an animal welfare advocate. Allegedly, the idea to ban bowl-shaped aquariums originated with him, as he believed it was animal cruelty that the fish had no corners to hide in and that the bowl distorted the … Read more
The salad is an undeservedly neglected part of holiday lunch. Hungarians just eat something pickled with the meat and call it a day, while food bloggers throw together something from the leftovers. Yet there’s real science in salad, let me tell you! The word “salad” comes from the Latin expression herba salata (meaning “salted herb”). … Read more