At sperm banks, women seeking insemination can choose their donor based on age, height, weight and other physical features, or even by donor's country of origin and astrological sign.

What's your astrological sign?

Dozens of astrological journals and newspapers are published; quackery drives out medicine; and all this mystical squalor is justified in every possible way by philosophical argumentation.

What is your astrological sign?

It appears demonic not to capitalize the word earth outside of astrological contexts.