The research vessel Polarfuchs, or Polar Fox, set out in March 2015 on a 20-month race against time. Filled with nets and biologists, the vessel wasn’t low on fuel or rushing to some far-off destination. Its hurry was a result of the cargo it carried: luminous moon jellyfish, or Aurelia aurita, which would expire if they took too long. So the Polarfuchs spent more than a year and a half speeding up and down Kiel Fjord, in northern Germany, scooping up jellies near the Helmholtz Center for Ocean Research.The goal…
