Saliva as a cleaning agent, voodoo dolls in the office, medical applications of roller coasters, and more

The 2018 winners of the IgNobel Prize were announced earlier this month, recognizing noteworthy research in many fields. Perhaps the most provocative this year was the Nutrition Prize, awarded to James Cole “… for calculating that the caloric intake from a human-cannibalism diet is significantly lower than the caloric intake from most other traditional meat diets.” I’m not sure I look forward to the diet books that Cole’s work will inspire.