Me too. But I was distracted by the author saying at the end "Before that we thought we were mostly us." Idk what conventional opinion would be, but the mass p

Me too. But I was distracted by the author saying at the end "Before that we thought we were mostly us." Idk what conventional opinion would be, but the mass part is a lot more important in my mind than the number of cells part. We're still be 97% 'us' by mass. As an off the top of my head example, Jupiter is mostly the big gas planet thing, not the 79 or so moons that orbit it.