Shackleton's sunken polar ship may have been weaker than thought
Sir Ernest Shackleton's polar ship, Endurance, was considered to be the strongest of its time but the vessel had significant weaknesses that led to its demise -- and Shackleton kne…
Sir Ernest Shackleton's polar ship, Endurance, was considered to be the strongest of its time but the vessel had significant weaknesses that led to its demise -- and Shackleton kne…