Simpson provided the palaeontology with a classic study of the evolution of horses.

ECONOMIST: Obituary

Since Barbaro's injury, the Keeneland Association has hosted two summits on the "Welfare and Safety of the Racehorse" to study the reasons modern horses aren't racing as often as they used to.

WSJ: Derby Death Stirs Call for Change

At the 2011 Jockey Club Round Table in Saratoga Springs, New York, Michael Lamb and Dan Singer of McKinsey and Company presented the results of a study commissioned by the Jockey Club, which is the breed registry for Thoroughbred horses in this country, Canada, and Puerto Rico.

FORBES: Racing 101: Teaching People To Bet