The 3m-long skeleton, found on an expedition to China's Gobi desert, is described in the journal Science.
At the age of 29 he embarked on an expedition to the South Pole that was unsupported -- a trek that required him to pull his own sleigh and that lacked medical support crews.
In fact, PANGAEA had just arrived in Annapolis after completing a traverse of the Northwest Passage from the Kamchatka Peninsula in Russia, and is on her way to Florida to explore the Everglades before an expedition next year far up the Amazon River.
Fiennes, who lost five fingers to frostbite on a previous expedition and also suffered heart problems during an attempt to climb Mt Everest, was sanguine about the risks of this adventure.
Flt Lt Capps was an experienced mountaineer, having taken part in a expedition in the Indian Himalayas and led a group on an expedition that circumnavigated Mount Kenya and got to the summit of Point Lenana.
He was allowed to climb by the government if he did not lead the expedition so he found an experienced Sherpa mountain guide to lead but on eve of the climb the expedition leader came down with jaundice.
On the 14-day Jewels of the Arctic cruise operated by Aurora Expeditions, for example, passengers on the Polar Pioneer had access to a naturalist, geologist, an assistant expedition leader and Miller, an expedition leader who has spent 14 seasons in the Arctic and 20 in the Antarctic.
"To end up back in this country without an expedition on the horizon is a deadly state of affairs, " he said.
Arrangements are being made to recover the body of a Northern Ireland climber who died while on an expedition in the Himalayas.
These are things that other members of an expedition pick up on, but, in a team of one, there's no one else to raise the red flag.
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