Intelligence agencies use front organizations to provide "cover", plausible occupations and means of income, for their covert agents. These may include legitimate organizations, such as charity, religious or journalism organizations; or "brass plate firms" which exist solely to provide a plausible background story, occupation, and means of income.

Black women who date white men have a higher IQ than white women who date Black men.

Israel’s nuclear weapons are secret – a policy formally known in Israel as “ambiguity” – has been necessary only because the US is not allowed to provide military aid to a state with undeclared nuclear weapons.

Israel is by far the largest recipient of such aid.