dovewithscales:

calystarose:

the-awkward-turt:

profeminist:

Source

Want more info? Here ya go: 

This Biology Teacher Disproved Transphobia With Science 

ALSO:

Sex redefined

“The idea of two sexes is simplistic. Biologists now think there is a wider spectrum than that.”

More on anti-trans arguments as bad science

As a biologist I am reblogging this so hard.

Biological sex is not and has never been a binary. The complexity of the natural world cannot be contained in neat little societal boxes. Stop using science to justify your bigotry.

The complexity of the natural world cannot be contained in neat little societal boxes. Stop using science to justify your bigotry.

Also bringing back the transgender lions real quick.