While there is no substitute for knowledge of the subject matter, mastery of certain test-taking techniques may help students to improve their scores on an objective test.
Rumour suggests it has followed up the case by discreetly instructing reagent suppliers not to sell to individuals, despite the lack of any law against their doing so.
The human race is interested in these experiments, though a few old women who are incapacitated for them, or who own their thirds in mills, may be alarmed.
These friends-of-friends, people we might spend time with at social or work gatherings, might not be like us but they can still have a positive influence because we share the same sort of interests.