Negligible Senescence: Why Do Some Animals Age Differently? (Discover)

Discover quoted Caleb Finch in an article on animals with “negligible senescence” that appear to defy aging. “We know how to describe it, but we don’t know the fundamental basis that allows species that have the same kinds of cells and heart and lungs and breathe air, how they can have differences that range as short as a year, or as long as 200 years. … We know lots of things happen, but we don’t have anything like a global understanding of aging in terms of mechanisms.”