The largest known Douglas-fir lives on Vancouver Island, is almost 1,000 years old and is 89 metres (291 feet) tall! The top of this tree is broken but it was believed to be 10 metres (33 feet) taller, which would have it 99 metres (320 feet) tall!
Bugs to the rescue
Bugs to the rescue A researcher in Germany has found a way to make a
bacteria produce tubes of cellulose which can be used as artificial
blood vessels. The cellulose is the same material which plants use
to build their cell walls. The artificial blood vessels could be
used in humans to replace those damaged by accident or
disease. 27 FEBRUARY 1999, P. 10
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