Is science a religion? This year has seen a breakthrough bonanza, with scientists revolutionising everything from climate to medicine. Some say these are miracles.
Brilliant breakthroughs: 2023 in science
Stunning science: Advances in medicine and AI promise to change millions of lives. Glossary
Miracle - Something amazing or wonderful. It is a very unusual event.
Carbon dioxide - Carbon dioxide is a colourless gas formed during the combustion of any material containing carbon and is a significant greenhouse gas.