mothers....no doubt about it
without mothers, we would be nothing but helpless. all living things, even unicellular ones, need mothers to give birth to them, bring them up(at least for some time), shower all their love and affection on them, teach them the ways of the world as well as respect and discipline and enable them to rise up in this dog eat dog world and take a stand 4 themselves.
n scientists........well, no offence since scientists r great ppl too, but even THEY had moms..... goes to prove moms OWN scientists (not in a bad sense). even in prehistoric times, people did without scientists but they needed moms to bring them up....
so a famous quote goes: all u need is love.
n moms are the ones to give it 2 u......