les southeast of Kodiak Island. The vortex circulation is
clearly evidenced by the clouds which form in a circular array, and
the large clear area in the center of the storm.

No. 4 picture refers to a very big storm 1,500 miles in diameter
located 300 miles west of Ireland on April 2. This is a very old
storm which was whirling around, had no fronts associated with it.
It has long since wound up around the center. There is a rather
well-marked structure to the clouds that you can see. It is quite
different from the pictures in the first two. These are storms
mostly over the continental area or just off the coast. The storms
over the oceans seem to show more of a banded structure. By that I
mean circular bands of clouds, of width perhaps ranging from 20
miles to a few hundred miles, spiraling around the center in a
counterclockwise manner.[60]

HEALTH BENEFITS

Of all the problems contingent upon space flight it is doubtful if any
are more perplexing than the biological ones. In fact, it now appears
quite likely that the limiting factor on manned space exploration will
be less the nature of physical laws or the shortcoming of space vehicle
systems than the vulnerability of the human body.

In order to place humans in space for any extended period, we must solve
a host of highly complicated biological equations which demand intensive
basic research. The other side of the coin, however, is that when
scientific breakthroughs do occur in this area, they will probably be
among the most beneficial to come from the space program.

An idea of what is going on in the space medicine field can be obtained
from this summary:

Engineers already have equipped man with the vehicle for space
travel. Medical researchers now are investigating many factors
incident to the maintenance of space life--to make possible man's
flight into the depths of space. Placing man in a wholly new
environment requires knowledge far beyond our current grasp of
human biology.

Here are some of the problems under investigation: The
determination of man's reactions; the necessity of operating in a
completely closed system compatible with man's physiological
requirements (oxygen and carbon dioxide content, food, barometric
pressure, humidity and temperature control); explosive
decompression; psychophysiological difficulties of