21.   The current theory on the TWA crash is that a bomb went off in the cargo hold.

22.   The most popular current theory of how HIV causes AIDS is that the virus exhausts the immune system by making millions of copies of itself every day.

23.   The new standards prohibit teachers from censoring evidence that contradicts a current theory, Holloway said.

24.   The research seemed to confirm earlier evidence that the spread of paleo-Indians through the Americas was more complex than current theories would explain.

25.   There are two current theories to explain the green color, he said.

26.   This goes against the grain of most current writing theory, which puts the burden of communication on the writer to make his meaning plain to a large audience.

27.   According to current scientific theories, they should be exactly the same.

28.   Current theory indicates that the first atoms first appeared about a second after the universe itself -- so tearing them apart means re-creating what came before.

29.   Had the existence top quark been disproved, it would have thrown current theories about the nature of matter and creation of the universe into disarray.

30.   If the evidence supports their current theory of the Salt Lake City Olympic scandal, federal investigators could charge both bribers and recipients of under-the-table payments, officials say.