Mercury Seven summon the last group. The tests included spending hours on treadmills and tilt tables, submerging their feet in ice water, three doses of castor oil, and five enemas. Six candidates were rejected as too tall for the planned spacecraft. Another 33 failed or dropped out during the first phase of exams. Four more refused to take part in the second round of tests, which eliminated eight more candidates, leaving 18. From the 18, the first seven NASA astronauts were chosen, each a "superb physical specimen" with an IQ above 130, and the ability to function well both as part of
Seven Sisters (colleges) and Merope) were collectively referred to as "The Seven Sisters". In the field of astronomy a star cluster, in the constellation of Taurus, is also referred to as The "Pleiades" or the "Seven Sisters." The seven colleges explored the issue of coeducation in a variety of ways. Two, Radcliffe College and Vassar College, are no longer women's colleges. Radcliffe merged completely into Harvard College in 1999, and is now a research institute and no longer an undergraduate institution. The component parts of the College's campus, the Radcliffe Quadrangle and Radcliffe Yard, retain the designation "Radcliffe" in perpetuity, and serve or