A "heated discussion" is normally used as a term for a small fight between two or more people. Rather than a shouting and cussing fight, it is always discussed and reasoned calmly. But in the teen world... having a "heated discussion" is another word for making out. It can always be used as an excuse when your parents ask why you and your boyfriend/girlfriend were in your room alone for a long period of time. It's the best reason because your parents will usually sympathize with you.

Also, a "powerful heated discussion" is when their is a lot of tongue involved. They're the best.

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.

A "heated discussion" is normally used as a term for a small fight between two or more people. Rather than a shouting and cussing fight, it is always discussed and reasoned calmly. But in the teen world... having a "heated discussion" is another word for making out. It can always be used as an excuse when your parents ask why you and your boyfriend/girlfriend were in your room alone for a long period of time. It's the best reason because your parents will usually sympathize with you.

Also, a "powerful heated discussion" is when their is a lot of tongue involved. They're the best.

A new excuse for fucking up on the job. Arose from the two Delta pilots that missed the airport by 150 miles because they fell asleep, but claimed they were having a "Heated Discussion" about airline policy.