Measuring the Greenland shark’s growth rate is challenging because individuals are rarely recaptured. However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later.

Matteo Della Bordella, Silvan Schüpbach and Christian Ledergerber have made the first ascent of The Great Shark Hunt, a new route up the Shark's Tooth in Greenland. " On August 18th we arrived on the ...