31.   A microphone developed by scientists at the University of California at Berkeley scientists is scheduled for launch to Mars next January aboard the Mars Polar Lander space probe.

32.   A similar acoustic technology that uses one frequency at a time rather than two has been developed by scientists at the University of Mississippi.

33.   After all, scientists have developed cochlear implants that tap into hearing and are making astounding progress with silicon-vision prosthetics.

34.   Also, scientists have developed several drugs to suppress the immune system to prevent such rejection.

35.   But a different kind of vaccine is being developed by scientists in America that could put a stop to the killing.

36.   But collecting fresh eggs or embryos from rare wild females is tricky, so scientists are developing a new cloning technology as an alternative.

37.   But Cuban scientists have developed an array of new vaccines and drugs that are at the leading edge of biotech research around the world.

38.   But scientists have developed a promising technique of recreating the oyster reefs of a century ago.

39.   But the critics say European scientists have developed solar technology that could soon be able to overcome the distances.

40.   But scientists have not developed tests which would allow them to definitively say that any clone actually is normal.