video from the country of jamaica about, of course, the olympics, their bobsledding team. take a look at this. run the track run the track make room on the ice start out feeling nice you do we do it right to the right now, any country that puts out that as their official video gets big ups, obviously. and yet some of the articles in scientific america, you talk about how bobsledding is also one of the most dangerous sports. you talk about how speed is one of the key issues, key risk factors. and you have reference to micro-morts, a way to evaluate these different sports and risk lethality. micro-morts is a great unit of what is the chance you re doing to die.