11.   German scientists have developed a way of using carbon dioxide rather than water as a medium for dyeing materials.

12.   Two Australian scientists have developed a chemical process which significantly increases the ability of clothing to act as a barrier against ultraviolet radiation.

13.   The two scientists have also developed similar treatments for synthetic fibres made from polyester and polyamide.

14.   Scientists are developing an anti-aids vaccine which could be used to immunise millions of people.

15.   Scientists have developed a new wave machine which could save hundreds of homes threatened by the sea.

16.   Almost every major infectious disease is becoming resistant to available medicine, and scientists are not developing new medicines fast enough to keep up.

17.   Amgen disclosed today that its scientists developed an experimental shot containing a protein that corrects a defective obesity gene in mice.

18.   American scientists had developed a vaccine against a killer using cultures from human fetal kidney cells.

19.   And a whole range of clothes is being developed by scientists in Belgium.

20.   And it would be a triumph for humanity if scientists could develop a vaccine against HIV, as he proposes, but many doubt one will be available soon.