Sometime during the many millions of years that have elapsed since mammalian faunas came into existence, some sort of island crossed from West Africa to South America.
Nobody cooks anymore. To me, to watch your parents cook, and to have a house that smells warm and delicious, is a very vital memory that I think kids don't really have anymore.
If the heart stops for more than two minutes, you have massive brain death. There are only two minutes between our conscious world and zero. That's how fragile our consciousness is.