The human brain is set apart from mammalian brains by the size of the cerebral cortex.
Vice-Admiral Sir George Strong Nares KCB FRS -LRB- 24 April 1831 -- 15 January 1915 -RRB- was a British naval officer and Arctic explorer .. KCB. Order of the Bath. FRS. Royal Society#Fellows. British. United Kingdom. Arctic. Arctic. explorer. List of explorers. He commanded the first ship to pass through the Suez Canal , the Challenger Expedition and the British Arctic Expedition .. British Arctic Expedition. British Arctic Expedition. British. United Kingdom. Arctic. Arctic. He was highly thought of as a leader and scientific explorer .. explorer. List of explorers. In later life he worked for the Board of Trade and as Acting Conservator of the River Mersey , and died in 1915 aged 83 .. Acting Conservator of the River Mersey. Acting Conservator of the River Mersey