Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: Because the Columbia was at the same latitude as the headwaters of the Missouri River, there was some speculation that Gray and Vancouver had discovered the long-sought Northwest Passage. A 1798 British map showed a dotted line connecting the Columbia with the Missouri. When the American explorers Meriwether Lewis and William Clark charted the vast, unmapped lands of the American West in their overland expedition (1803--05), they found no passage between the rivers. After crossing the Rocky Mountains, Lewis and Clark built dugout canoes and paddled down the Snake River, reaching the Columbia near the present-day Tri-Cities, Washington. They explored a few miles upriver, as far as Bateman Island, before heading down the Columbia, concluding their journey at the river's mouth and establishing Fort Clatsop, a short-lived establishment that was occupied for less than three months.
 Question: does the missouri river connect to the columbia river Context: She attended Marymount High School, a Roman Catholic all-girls school in Los Angeles. Following graduation, she moved to Dallas, Texas, to attend Southern Methodist University for two years. Kourtney then lived in Tucson, Arizona, where she graduated from the University of Arizona with a bachelor's degree in Theatre Arts and a minor in Spanish. Her classmates included Nicole Richie and Luke Walton. In 1994, her father garnered public attention as an additional defense lawyer for football player O.J. Simpson during his murder trial.
 Question: have any of the kardashians graduated from college Context: The corticospinal tract conducts impulses from the brain to the spinal cord. It is made up of a lateral and anterior tract. The corticospinal tract is involved in voluntary movement. The majority of fibres of the corticospinal tract cross over in the medulla oblongata, resulting in muscles being controlled by the opposite side of the brain. The corticospinal tract also contains Betz cells (the largest pyramidal cells), which are not found in any other region of the body.
 Question: paths from the cerebral cortex to the spinal cord are called the corticospinal tracts Context: Aaron Huey, age 26, left Encinitas, California on January 22, 2002 and arrived in New York City 3,349 miles and 154 days later on June 25. His only travel companion was his dog Cosmo. He did not carry a cell phone and had no support team. Huey covered the why and how in his 2010 Annenberg Foundation lecture, and Huey also wrote journals of his travels along the way.
 Question: has anyone ever walked from new york to california Context: The LRV was transported to the Moon on the Apollo Lunar Module (LM) and, once unpacked on the surface, could carry one or two astronauts, their equipment, and lunar samples. The three LRVs remain on the Moon.
 Question: did we leave the lunar rover on the moon
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