The discoveries were reported in the Jan. 8 issue of the journal Nature.
The annual subscription price will rise to $109 from $99, effective with the Jan. 7 issue.
Education Week, a trade publication, first reported the problem in its Jan. 20 issue.
The report on aspirin appeared in the magazine's Jan. 28 issue.
The scientists reported their results in the Jan. 18 issue of the journal Science.
These findings will be published in the Jan. 15 issue of Cancer.
They could not, however, hold a news conference to present their story until its appearance in the Journal's Jan. 28 issue.
A paper on the results will be published in the Jan. 12 issue of the journal Nature.
The study is in the Jan. 24 issue of Neurology.
An article describing the findings appears in the Jan. 20 issue of Science.