1.   A widely accepted theory is that mantle plumes are an essential part of the global heat engine.

2.   Accepted economic theory says that at some point a falling unemployment level raises the danger of accelerating inflation.

3.   According to the commonly accepted theory, the young planet had just been broadsided by a Mars-size object, creating a huge disc of orbiting debris.

4.   But a commonly accepted theory is that it dilutes carcinogens in urine and encourages frequent urination, which reduces exposure to the cancer-causing substances.

5.   But Profet goes beyond accepted theory.

6.   Contrary to accepted theories, the AIDS virus is not a sleepy organism that waits years before it attacks an unsuspecting and unprepared immune system.

7.   Four decades ago, Jewish writer and scholar Solomon Zeitlin said anyone who challenged accepted Dead Sea Scroll theories was regarded as a heretic.

8.   He said the abundance agrees well with predictions made from the Big Bang theory, providing additional validation of that widely accepted theory.

9.   It is the wave of new scientific data that is producing stress on many accepted theories and forcing scientists to rethink their ideas, Ross said.

10.   It has no practical use, except to bolster a widely accepted theory called quantum chromodynamics, or QCD.