The male climax in sex kicks off an odyssey for millions of sperm. We don’t yet know everything about the dangers they have to pass on their epic journey – but only one will reach its goal.
This year, two children were born at the University Women's Hospital in Tübingen whose mothers had previously received a uterus transplant. The doctors involved are thrilled.
Researchers found that more than 500 fish species can change their sex. Even for humans, sex is not always as clearly defined as we think.
© 2020 Deutsche Welle |
Legal notice |
| Mobile version