To me it seems that the warm blooded dinosaurs replaced advanced mammal ancestors that were warm blooded, also.
“'Moonwalking with Einstein' refers to a memory device I used when I memorized a deck of playing cards at the U.S. Memory Championship. When I competed in 2006, I set a new U.S. record by memorizing a deck of cards in one minute and 40 seconds. That record has since fallen.”
“I think people that have fear that, 'Oh if I have a kid I won't be able to do this and I won't be able to do that.' It's kind of the opposite. It really gives you energy. It makes people better.”