By the 1940s, theoretical physicists and biochemists had begun to wonder about what constitutes life.
Hi va-1970, eka swa timolekhuli ta ntivo-vutomi se a ku endliwe nhluvuko hi ndlela yo hlamarisa naswona a ndzi tivutisa loko swi ta swi kota ku hlavutela ndlela leyi vutomi byi sunguleke ha yona.