Current Event Summary: In the richest horse race currently, the Pegasus World Cup 2017, where the winner can win 7 million dollars, the horse Arrogate beat his rival, California Chrome, in a hard fought sprint race.
Evolution: To survive on, all living things evolve to better fit their environment
The evolution of a horse over 50 million years
A horse domestication graph related to horse lifespans
Current event summary: in 2016, it was discovered in a study at Harvard University that the first horses that were here millions of years ago were not nearly as fast as their modern counterparts.