So you can see in black, after a month -- they're very short-lived; that's why we like to study them for studies of aging -- in black, after a month, the normal worms are all dead.
Deci dupa cu vedeti cu negru, dupa o luna; acesti viermi traiesc foarte putin si de aceea ne place sa-i folosim in studierea imbatranirii; cu negru, dupa o luna, viermii normali erau morti cu totii.