Her groundbreaking theory on the origin of life was rejected 15 times. Then biology proved her right.

https://fed.brid.gy/r/https://www.upworthy.com/lynn-margulis-symbiosis

@upworthy.com

Actually, there is a strange symbiosis between theories of organism co-operation and the competition inherent in Darwinian evolution.

Co-operation tends to survive if it improves the fitness of the co-operating entities to live long enough to procreate and spread the good news, and good genes....