Some trees can move water from their roots to their leaves at a rate of 25 millimetres (1 inch) per second.
Genetically modified hen used to fight cancer cells
Genetically modified hen used to fight cancer cells A hen called Britney has had her DNA altered so
that she produces eggs with whites that are very rich in a cancer
fighting protein. The protein will be used to develop a cancer
vaccine. DECEMBER 4, 2000
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