Perfect athlete's 100m sprint time calculated

 作者:昝晨溱     |      日期:2017-05-17 06:11:19
WHAT do greyhounds, horses and women sprinters have in common? They may all have hit peak performance, while female marathon runners and men running over all distances are still getting faster. So says Mark Denny of Stanford University in California. He analysed records from athletics events and greyhound and horse races since the 1920s to see if they revealed limits on the speeds that animals and humans can run (The Journal of Experimental Biology, DOI: 10.1242/jeb.024968). Winning greyhounds and horses got faster until the 1970s,