Öko-Test has tested sanitary napkins and panty liners. The result: Conventional products are particularly convincing. We looked at why. Sanitary napkins, panty liners...
Why do gray whales and other marine mammals keep stranding? (Image: rainngirl / istock)
Injuries, illnesses, loud noises: there are many reasons why whales are...
Footprint in the sand (Image: M. Venkadesan)
Our foot is a unique construction of nature - and less researched than you might think. Because researchers...
Shopping carbon footprint. (Photo: fotogesteober / iStock)
Online shopping is convenient and trendy. But what about the greenhouse gas balance of shopping over the Internet...
The Dhaba site in India (Image: Christina Neudorf)
When the Toba volcano erupted 74,000 years ago, this had worldwide consequences. But they were obviously less...
Triphala has long been known in Ayurvedic medicine as a remedy for intestinal complaints. We show you which active ingredients the herb mixture has,...
Artist's impression of the original green algae. (Image: Dinghua Yang)
Tiny plants - a billion years old: Researchers have discovered the oldest known fossils of...
Blue tit and great tit often have the opportunity to observe each other in their habitat. (Image: CathyDoi / iStock)
This food tastes disgusting! This...
3D view of a grasshopper embryo, colored red is the central nervous system. (Image: Hanover University of Veterinary Medicine Foundation)
Up to now it has...
Cannabidiol instead of pain reliever: Tampons with CBD active ingredient are supposed to relieve abdominal pain during the period in a natural way. There...
Many depression patients relapse after stopping medication. (Wavebreakmedia / iStock)
It would often have been better to continue treatment - the relapse rate for depression...