A 2009 study recommended treating heroin addicts with diacetylmorphine. The active ingredient in this is...
Heroin
This character lives in a trash can and loves to collect things
Oscar the Grouch
What is the only U.S. state that borders only one other state?
Maine
Also called diplopia, it's when a person sees two images of the same object
Double vision
To play this game, you take turns discarding matching cards until you have one card left; remember to call out the name of the game, or you'll have to draw more cards
Uno
What is the largest organ of the human body?
The skin
This superhero from Krypton was raised in Smallville and works as a reporter at the Daily Planet
Superman
This country is home to the pyramids of Giza
Egypt
A quiz show of knowledge and nerve that Alex Trebek hosted in 1976-77, or an intensified challenge that is stronger, riskier, or more serious than a regular one
Double dare
Can you successfully complete the "surgery" on Cavity Sam in this game? Be sure not to touch the sides on each piece, or Sam will buzz
Operation
The U.N. called a 2014 outbreak of this disease in West Africa "a threat to international peace and security"
Ebola
This detective lives at 221B Baker Street and is famous for solving mysteries using deductive reasoning
Sherlock Holmes
What is the smallest country in the world by land area?
Vatican City
Language that seems real and meaningful, but is actually a mix of sense and nonsense, or is purposefully confusing to hide the truth
Double talk or double speech
In 2001, the dolls Jade, Yasmin, Sasha, and Chloe debuted, also known as "these girls with a passion for fashion."
Bratz dolls
This music star died in a plane crash in the Bahamas, after she filmed the video for her hit "Rock the Boat"
Aaliyah
Mark Twain based this title character on his pal Tom Blankenship, son of the town drunkard
Huckleberry Finn
This country has the longest coastline in the world
Canada
An unfair rule or principle that applies different sets of values, expectations, or penalties to similar situations or people without a valid reason
Double standards
"Put the pieces into the slot, make the right selection! But be quick; you're racing the clock, POP goes" this timed game board.
Perfection
Organizers of the 2000 Democratic National Convention changed the lyrics of this popular hit song (made in 1999) for the convention, after realizing it mentioned a girl named Monica
Mambo No. 5
In Frankenstein, this character learns language and human behavior by secretly observing the De Lacey family
Frankenstein's creature
This country is the only one in the world whose national flag is not rectangular or square
Nepal
A figure of speech or phrase designed to have two different meanings, where the first meaning is straightforward, while the second meaning is typically risque
Double entendre
Hot Wheels and Barbie are two of this company's best-selling toys
Mattel