Marsha P. Johnson is an activist and pioneer of the African-American transgender movement. But much of Johnson's life was ostracized by society.
More than 500 species of fish capable of changing sex are often in response to the surrounding environment.
Microbiologists of the University of Portsmouth (UK) discovered that paramyxean parasites are the culprits that make males turn into females.
A British biologist discovered that avocado is a plant
Common insecticides, such as herbicides atrazin, can cause the male frog's sex change into female frogs to reproduce normally.
The unnamed man, born a woman, labored a baby boy at home thanks to the midwife's help in Berlin's Neukoellin district.