FOLLOWING THE SCIENCE: South Dakota requires student athletes to compete based on their biological sex.

South Dakota is requiring K-12 and collegiate athletes to compete on teams according to their biological sex.

South Dakota Governor Kristi Noem signed Senate Bill 46 on Thursday. The bill passed the state’s House of Representatives with overwhelming Republican support in a 50-17 vote.

No Democrat lawmakers supported the bill.

No Democrats, even in South Dakota.