Last year, right before pub­lish­ing his illus­trat­ed chil­dren’s book The Mag­ic of Real­i­ty, Richard Dawkins appeared at The New York­er Fes­ti­val and walked the crowd through a short thought exper­i­ment. Imag­ine pulling out your fam­i­ly geneal­o­gy. Now snap a pho­to of each ances­tor going back 185 mil­lion gen­er­a­tions. What would it show? First off, your very dis­tant … Con­tin­ue read­ing Richard Dawkins Explains Why There Was Nev­er a First Human Being