Contraception without hormones - what methods are there and how reliable are they? We'll introduce you to alternatives to hormonal contraception and explain...
How generously someone shares also seems to depend on testosterone levels. (Image: ronstik / iStock)
The sex hormone testosterone apparently affects how generous we...
Annual rings of an old oak from the Czech Republic. (Photo: Ulf Büntgen)
In recent years, Central Europe has repeatedly experienced severe droughts -...
New discovery from the Messel pit: the Hirmoneura messelense fly (Image: Senckenberg)
47 million years ago it buzzed from flower to flower: Scientists discovered the...
The corona vaccine is still in short supply. (Image: Ridofranz / iStock)
How can the existing vaccines against Sars-CoV-2 be used most effectively? ...
The placenta nourishes the embryo, but also enriches mutations. (Image: magicmine / iStock)
The placenta, like the embryo, arises from the fertilized egg cell,...
Artist's impression of a breeding Oviraptorosaur. (Image: Zhao Chuang)
Similar to today's birds, some dinosaur species have already incubated their eggs, confirms the investigation...
Thanks to special filters, an FFP2 mask provides more reliable protection against infection with the coronavirus than a cloth mask. However, you can...