"The loss of accessibility in books has been going on for millennia, as has the practice of updating them in order to prevent their disappearance.
"I believe that the long term future of the human race must be space and that it represents an important life insurance for our future survival, as it could prevent the disappearance of humanity by colonising other planets".
Earlier this year Prince Charles called for a nationwide cull of grey squirrels to prevent the disappearance of the red, which has been driven out of almost all of England and Wales since the grey was introduced from North America in the 19th century.
That would not prevent the disappearance of the summer sea ice, but it might delay it by a decade or two.As Ny-Alesund's spring research season began, a team of French soot researchers were among the first arrivals, after the Northern fulmars gliding over the fjord.
Therefore, to prevent the disappearance of dissolved salts from the rooting zone, which are essential for the halophytes, groundwater levels should be adjusted to maintain depths of between 20 and 35 cm.
Such materials are usually managed indistinguishably from local seed, which might prevent their disappearance wherever maize populations are relatively closed and stable, as in the southeast highlands [14], [16], [17].
Co-implantation with other ectopic tissues did not prevent tumor disappearance (data not shown).
However, deletion of both UBP10 and UBP15 did not prevent the disappearance of ubiquitylated PCNA at later time-points in the conditions tested (Additional file 17).
