Our sense of time can be influenced by things like drinking coffee, or being on an adrenaline rush from an amusement park ride like this one at Dreamworld in Australia. Bradley Kanaris/Getty Images hide caption

itoggle caption Bradley Kanaris/Getty Images

A lobster raised for 60 days at normal levels of CO2 exposure (left), and one raised at seven times that level. Courtesy Justin Ries hide caption

itoggle caption Courtesy Justin Ries