WHEN FACING OFF A WOOLLY MAMMOTH, A FEW SPEAR-WIELDING FRIENDS ARE MORE HELPFUL THAN DARWIN'S VIEWS ON NATURAL SELECTION. Mike McRae – Australia's next-gen Dr Karl – argues that human didn't evolve to do science, but to get along in tribes.  Survival depended more on social connections than understanding the universe, but somehow science – the quest for objective knowledge –...