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South Africans call for more proof that HIV causes Aids
Some South African scientists want more proof that HIV causes Aids
"Dissident" scientists in South Africa protest that there is not enough proof that the HIV virus causes Aids. How more carbon dioxide in the atmosphere will slow the growth of marine coral. Drop in death rate of women from breast cancer in the UK is due to the drug tamoxifen and the screening programme. The possibility of DNA computers. Timing is the secret of putting in golf.
大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The 大象传媒 brings you all the week's science news.
