article_snippet.sent: Conversation is limited to ‘mummy’ and ‘bye bye’ and simply standing up unaided is a major achievement.
article_snippet.sent: Scroll down for video .
article_snippet.sent: Professor Lisa Feigenson, of Johns Hopkins University in Baltimore, said:
article_snippet.sent: Writing in the journal Science, she said that some information may be so fundamental to survival that we are born with it.