Blood sucking leeches can suck nine times their weight during one blood meal.
Scientists explore redesigning trees
Scientists explore redesigning trees Forestry scientists at a conference at Oxford
University are exploring the issue of genetically modifying trees.
The forestry industry hopes that by genetically modifying trees,
they stand to make more profit. Industry also argues that some
types of genetic modifications could be beneficial to the
environment since this would mean fewer chemicals would need to be
used in the processing of wood products. Others are concerned about
possible negative impacts on the environment due to genetic
modifications. <> 1999
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