WILLIE NILE

Nile tilapia, a type of fish, can change sex based on water temperature. This might sound strange, but it's a real phenomenon called temperature-dependent sex reversal (TSR). Scientists have been trying to figure out how this happens at the molecular level. It's not just about the fish changing sex;

Willie Brown's time as San Francisco's mayor was not just about politics. He had a strong sense of style. This was evident from the moment he took office in January 1996. One of his staff members was sent home for wearing a linen suit in the winter. This small incident showed how much Brown valued p