A taste of weightlessness

Article Abstract:

A journalist describes a flight aboard NASA's KC-135A, a plane that induces the experience of weightlessness by flying in a series of parabolas. Nausea was a problem for almost half of the students and journalists on the flight.

United States, Personal narratives, Equipment and supplies, United States. National Aeronautics and Space Administration, KC-135A (Aircraft)

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Weightlessness and the human body: the effects of space travel on the body resemble some of the conditions of aging. Studying astronauts' health may improve medical care both in orbit and on the ground

Article Abstract:

Weightlessness is the main factor affecting human health in space. The ailments are the result of the body being accustomed to gravity, such as space sniffles due to the changes in pressure acting on the human body.

Health aspects, Human beings, Humans, Space medicine

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Secrets of the slime hag: loathsome though they may seem, hagfishes may also resemble the earliest animals to have a braincase - making them even older than the first animals to develop a backbone

Article Abstract:

A profile on the physiology, phylogeny, and ecological position of the hagfish is presented. The hagfishes are believed to be a member of a distinct branch of the Chordata due to its notochord.

Aquatic ecology, Hagfishes

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