It is often seen that in households where all members are exposed to the same danger, or again in schools or troops where everyone lives the same life, disease does not strike everyone indifferently. Elie Metchnikoff dangerdiseaseexpose Change image and share on social
Science, it is said, no doubt has ameliorated the material conditions of human life, but is powerless to solve those moral and philosophical questions that interest cultured people so deeply. Elie Metchnikoff ameliorateconditionculture Change image and share on social
