The arctic tern carries out the longest migration of any creature on Earth a journey of more than 36,000 kilometres (or 22,000 miles) from the Arctic to the Antarctic and back again, each year!
Sweet trees
Sweet trees Canadian scientists are developing the "Stevi
Rebaudiana" shrub, which is native to South America, as a
commercial crop. The shrub contains seven sweetening compounds,
some of them more potent and lower in calories than sugar. $10
million US dollars of stevia was sold last year as a dietary
supplement. 6 MARCH 1999
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