2014 Event Researchers have developed synthetic nucleobases, the molecules that form the backbone of DNA; organisms successfully replicated the synthetic bases, implying that creation of new life forms with these additional bases may be possible in the future 1960 Event U.S.S.R. recovers 2 dogs, 1st living organisms to return from space 1960 Event U.S.S.R. recovered 2 dogs; 1st living organisms to return from space
