Metrosexuality to the point of borderline homosexuality/femininity. Named for the prevalence of this condition among male employees of the clothing store "Express." As the condition improves the afflicted will move on to other clothing stores, the first step generally being American Eagle, with time and constant teasing the sufferer may go on to one day kiss a girl. Should the condition worsen the sufferer will move on to the Gap or Old Navy and be subjected to random beatings by emo kids looking for tight fitting women’s jeans.

The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.