With no more room left on Earth, and with Mars hanging
up there empty of life, somebody hit on the plan of
starting a colony on the Red Planet. It meant changing
the habits and physical structure of the immigrants, but
that worked out fine. In fact, every possible factor was covered—except
one of the flaws of human nature....
Man, he said, had first reached
Mars in 1985. It had been uninhabited
by intelligent life (there is
plenty of plant life and a few
varieties of non-flying insects) and
he had found it by terrestrial
standards uninhabitable. Man
could survive on Mars only by
living inside glassite domes and
wearing space suits when he went
outside of them. Except by day
in the warmer seasons it was too
cold for him. The air was too thin
for him to breathe and long exposure
to sunlight—less filtered
of rays harmful to him than on
Earth because of the lesser atmosphere—could
kill him. The
plants were chemically alien to
him and he could not eat them;
he had to bring all his food from
Earth or grow it in hydroponic
tanks.
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