The symptoms of Covid-19 are varied. (Image: da-kuk / iStock)
An infection with the Sars-CoV-2 coronavirus can cause a large number of seemingly completely...
Apparently primitive mammals lived in social groups even when the dinosaurs ruled the country. (Artist impression: Misaki Ouchida)
From rodents to primates, many...
Lost or discarded nets are the most dangerous type of plastic waste for marine animals. (Image: richcarey / iStock)
Plastic pollution of the fateful...
This artist's impression shows the central black hole and the galaxies trapped in its gas network. (Image: ESO / L. Calçada)
There were surprisingly...
Electron micrographs of single-celled algae fossils. Flagella once came out of the holes, which among other things were used to hunt bacteria (red)....
Skull of an approximately 11,000 year old dog. (Image: EE Antipina)
Researchers present new insights into the age-old common history of dogs and humans:...
The risk to fish varies depending on the hydropower plant. (Image: Angelina Tittmann)
Not every hydropower plant is equally dangerous for fish, as a...
Rhamphorhynchus - one of the 75 species of pterosaurs examined by the researchers. (Artist impression: Mark Witton)
"Aviation" further development over 150 million years:...
Writing on a papyrus from the Tebtunis Temple Library. (Image: Papyrus Carlsberg Collection)
Surprising ingredient discovered: lead apparently already ensured that writing in some...
Passive social distancing apparently inhibits the spread of disease in vampire bats. (Image: Sherri and Brock Fenton / Behavioral Ecology)
In the corona pandemic,...
Ravens are considered to be rather selfish. (Photo: Lisa Horn)
Donated corvids: The social life of birds in the Corvidae family determines their generosity,...
Icebergs off Greenland (Image: Imagebear / iStock)
Man-made climate change endangers the ice masses in the polar and mountain regions of the world. When...
When mine blasts, harbor porpoises are exposed to a high risk of injury from sound and pressure waves. (Image: BrendanHunter)
Acoustic trauma with fatal...