Add Yahoo as a preferred source to see more of our stories on Google. The International Olympic Committee has defended its decision to allow the two boxers to compete in the Paris 2024 Olympics amid a ...

Older female mice show poor spatial memory when their paternal X chromosome is inactive and only the maternal copy is active. This phenomenon could be responsible for variation in age-related ...

Earlier this year, the often overlooked issue of differences in sex development came to the fore after two women boxers were allowed to compete in the Olympics after previously failing a gender ...