This discovery of titanosaur eggs is an unusual find and raises new questions about evolution. It suggests that dinosaurs had reproductive biology similar to that of birds.
Mercury has shrunk in size by several kilometers since it formed, but why? And what does this crazy theory from the beginning of the 20th century have to do with it?
From the sperm and egg to a fully developed fetus, the process of fertilization and gestation, what we know as pregnancy, is an achievement of biological evolution.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
