By David E. Sanger from NYT U.S. https://ift.tt/k3lTxON
Osteocalcin, a protein secreted within our bone structure, helps us flee when we fear something. This new discovery was recently discovered by Gérard Karsenty, a Columbia University geneticist. This means that the main purpose of the bone structure that has evolved in animals is to help us escape from fear.