Redefine your limits Show your brain what your body can really do Think you consciously decided how fast you were going to run today? Think again. At the University of Cape Town, two groups of cyclists completed time trials in the hot and the cold
and you reach the end of your run – prematurely or not – convinced that you don’t have another step in you. You are, to use the scientific parlance, knackered.Given where these go-slow sensations manifest, it hardly comes as a surprise that research
