A massive new analysis of over 200,000 people reveals that the relative lengths of your index and ring fingers are linked to your sexual orientation, pointing to the powerful role of prenatal hormones ...
A massive meta-analysis of over 227,000 people reveals that finger length ratios — shaped by prenatal hormones — correlate ...
Index to ring finger length ratio (2D:4D) is a trait known for its sexual differences. Men typically have shorter second than fourth digits; in women, these fingers tend to be about equal in length.
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The length of a man's ring finger may predict his success as a financial trader. Researchers at the University of Cambridge in England report that men with longer ring fingers, compared to their index ...