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At Last, We May Finally Have A Way To Tell Female Dinosaurs From Males

There’s plenty of rough sex in the animal kingdom, but dinosaur copulation may have been so violent that it literally broke ...
CNN

Female mammals live longer than males because of their sexual behavior, study suggests

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study. Researchers from Germany, Denmark, France, Hungary and Belgium analyzed ...
Nature

Male mice can grow female organs — if their mothers lack iron

Iron deficiency in mice mothers can sometimes result in their offspring developing female sex organs despite having male sex genes, according to new research. Although genetics has been thought to be ...
Nature

Male mice can grow ovaries if their pregnant mums are iron deficient

Male mouse fetuses can develop female organs in utero if their mother is iron deficient during pregnancy, a study in Nature reports 1. This is the first-known example of a dietary mineral affecting ...