1) The Concorde supersonic jet began commercial flights in 1976, linking Paris and Rio de Janeiro. It was a joint project between Britain and France and was the fastest commercial aircraft, flying faster than the rotation of the Earth. 2) The European Ariane rocket was developed in the 1970s as Europe's second attempt at an independent launch vehicle, following the failure of another rocket project. 3) In 1978, Louise Brown became the first successful "test tube baby" born through in vitro fertilization. She was conceived outside of the womb in a laboratory, marking a major breakthrough in reproductive medicine.