Cryobiology - a science of the future

                                                                                         

Cryobiology is a part of biology that studies life at low temperatures,
temperatures that are too low to sustain it. This may sound a little
strange, but in fact it's not, because life is too complex to be easily
defined, so all its aspects must be studied, even when it ends, or
'expires'. You may say that at low temperatures the border between life and
death can be reached, because water starts to freeze and turn to ice.
Without water, life can't be sustained anymore, it begins to fade, to
freeze, and time seems to stop. Cryobiology studies these phenomenons
that occur when life freezes, and it has a lot of practical uses for us.

Technically, you could say that cryobiology represents the study of
life at all temperatures that don't support it. It may be said that the
science of cryobiology started in 1949 when sperm was cryopreserved for
the first time. Nowadays cryopreservation has a lot of general uses,
from which the most important is that due to it organs (hearts or kidneys
for example) can be preserved and transported at low temperatures, and
than transplanted to people in need. Many lives were saved this way.
Cryobiology is also used at in-vitro fertilisations, eggs can be
fertilized by sperm that was previously frozen, or the other way around.

Another really useful thing that is based on the science of cryobiology
is cryosurgery. It's not too common but it has some advantages, like
helping increase the duration of the operations, or maybe curing cancer
in the future.

But cryobiology is quite a new science, so more results of the
cryobiolgysts' work will be seen in the future. It is hoped that cryobiology
will be used in slowing down the aging process, because the chemical
reactions that lead
to aging can be substantially slowed down at low temperatures.

Also, as you probably know from science - fiction movies, it is hoped
that cryobiology will have an important use in long - distance space
travels, because the astronauts could be frozen during the long trip, with
their vital signs preserved, so they wouldn't age or consume too many
resources.

So we can only hope that cryobiology will evolve and we will have new
means of delaying old age or curing difficult diseases.

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