For those who eat a balanced diet, scientists have found no quantifiable benefit from taking multivitamins.

CNN: Herbal remedies need real scrutiny

Opponents of race-conscious affirmative action policies fear that racial categories may give some applicants a quantifiable benefit, but in reality, few admissions committees can say that there is a well-defined, systematic method of judging applicants to begin with.

FORBES: No.

None of those reports identified a quantifiable net benefit from relocating existing power lines systemwide.

WSJ: Should Utilities Be Required to Bury Power Lines to Protect Them?