What is the science behind the smoke signals on the Sistine Chapel to announce if a new pope has been elected?

Gov. JB Pritzker issued an executive order Wednesday that bars state agencies from collecting and disclosing data about autism to the federal government unless it's medically or legally necessary.

White smoke was seen emanating from the chimney of the Sistine Chapel, indicating that a two-thirds vote has been reached to elect the new pope.

Cardinal Robert Francis Prevost has become the first-ever American elected as the leader of the Catholic Church -- now known by his pontifical name of Pope Leo XIV. The 69-year-old, born on the ...