Michel Vaillant is not one to back down from a challenge. But when car fanatic Pog throws down the gauntlet, calling on Michel to join him in the legendary Cannonball Run, the French legend has doubts. And rightfully so: what racing champion in his right mind would join a YouTuber in an illegal street race across the US, with nothing to gain, and everything to lose? Then again, car maker Vaillante is looking to make a splash with its latest model, and Michel doesn't stand to lose anything... as long as he isn't caught. So begins a breakneck chase from New York to Los Angeles, in an effort to break the all-time record, and come out in one piece. Which might just be harder than Michel thinks, with someone looking to sabotage the record attempt and cause maximum damage. Can Michel reach the finish line before his enemies catch up with him?

The questions still are asked: What is gravity? What are chemical, electrical, and vital forces? What is the essential nature of matter, energy, and life? There is no oracle to answer. The study of vital phenomena is difficult because of their complex character, and, in the absence of exact analysis, speculative philosophy has for many ages ventured different theories in explanation of their nature. In seeking to give the present status of physiological science on this important question, it is of interest to take a general historical retrospect, in order that the steps of progress may be observed.