Trump ignores most of the world and all of the science; We’ve found 50 genes for intelligence. Could that lead to discrimination?; and more

Air Date: Jun 03, 2017 12:00 AM ET

Trump ignores most of the world and all of the science, Scientists using CRISPR discover hundreds of unintended mutations, A bend in its skull helps a blind fish find its way; We’ve found 50 genes for intelligence. Could that lead to discrimination?