From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size

A new study of woodpeckers adds nuance to the relationship between brain power and social interactions. … More From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size

The Meaning and Meaninglessness of Genealogy

The practice of genealogy, researching one’s ancestors and family tree, has exploded lately. Ancestry.com has become a huge success, boasting millions of subscribers and a net worth well over half a billion dollars. Many, if not most, families in the US have at least one person actively researching the long-forgotten twists and turns of their … More The Meaning and Meaninglessness of Genealogy