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========== Deep space may be the final frontier, but
we already know more about the orbits of starsaround the supermassive black hole at the
center of the Milky Way then we do about thebehavior of the colossal squid and other creatures
that live deep in the oceans here at home.In fact, water deeper than a kilometer covers
more than 60% of the planet, which means weknow very little about the most common environment
on Earth. There, creatures odd and tasty havelearned to survive in constant darkness, near-freezing
cold, and extreme pressure, all of which meanthere's very little available oxygen, food,
or companionship.Surviving in this environment requires some
extraordinary adjustments. One-thousand metersdown, the pressure is over 100 times what
we experience at the surface,...