Science from an Easy ChairLankester, E. Ray (Edwin Ray), Sir
History
Science from an Easy Chair
Lankester, E. Ray (Edwin Ray), Sir
Natural history; Science
Of course, the term “suspended animation” has been applied in earlier
times to the often exaggerated stories of “trance” and deathlike sleep
in human beings. But it is now with more justice applied to these
instances of dried animalcules which return to life when wetted, and to
similar cases of prolonged retention of vitality by seeds, since it
would appear that in these dried animalcules life really is actually and
totally suspended, although the mechanism is there which resumes its
life when the necessary moisture is supplied. In cases of trance in man
and hibernation in animals, the heart is still very slowly and feebly
beating, and the breathing is still—almost imperceptibly—at work. The
chemical changes are still very slowly and gently proceeding. The buried
Indian wizard, and the snail, and the Sleeping Beauty are moist, and
chemically active, though feebly so; life is not absolutely suspended.
But in the dried animalcule (though complete chemical desiccation is not
effected), the removal of the water from the body actually arrests the
changes which we call life, just as a needle may arrest the
balance-wheel of a watch. Supply the water, or remove the needle, and
life ceases to be suspended; it goes on once more (as one of the rules
of Bridge ambiguously enacts) “as though no mistake had been made.”
XVIII
THE UNIVERSAL STRUCTURE OF LIVING THINGS
Without doubt, the greatest and most important statement which can be
made about living things is that they are either separate minute
particles of living matter or (more commonly) are built up by thousands
of such minute particles which have in each individual animal and plant
originated from a single such particle (the fertilised germ), by its
division into two, and the subsequent division of these two each into
two, and of the four so produced each into two—and so on, until by
repeated division into two, millions of corpuscles, hanging together as
one mass, are the result.
Public-domain text, read in full here on John Shaqi.
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