The film The Fifth Element (1997) features an alien diva performing the "Mad Scene" (Il dolce suono) from Donizetti's Lucia di Lammermoor combined with electronic dance music. What is the name of the blue alien singer?
Diva Plavalaguna
After studying Louis de Broglie's dissertation on quantum mechanics, this scientist described his colleague as follows: "He lifted a corner of the great curtain."
Albert Einstein
On February 27, the Moscow Zoo often celebrates this animal's day: for several years in a row, visitors wearing all white were able to enter the zoo for free.
Polar Bear
In 2003, before filming began on the next Harry Potter movie, producer David Heyman auctioned off this very item. The money was donated to charity.
The opportunity to play a small part/role in the film.
"Bad Guy" is a song by THIS American singer, released on March 29, 2019, as the fifth single from her debut studio album, When We All Fall Asleep, Where Do We Go?
Billie Eilish
This is a cognitive bias that describes the systematic tendency of people with low ability in a specific area to give overly positive assessments of this ability. It is demonstrated in the 'Florence Foster Jenkins' movie.
The Dunning-Kruger effect
The circle of Moscow mathematicians founded a century ago by Nikolai Luzin shared the same name as this province of the Roman Empire.
"Lusitania"
The mascot for this international competition, held in Krasnoyarsk in 2019, was a U-Laika dog. 
Universiade
In 2007, the first auction of these "aliens" took place in New York. The tiny ones from America sold for several hundred dollars, but the Siberian specimen "sold" for $129,000.
Meteorites
In the very first scene of the cartoon "Gena the Crocodile," the seller of this product brazenly shortchanges the customer.
Oranges
In the film 'Reign Over Me', after the World Trade Center collapsed in 2001, Charlie Fineman lost everything important in his life. Five years have passed since Charlie's wife and daughters died, and now the once-successful and sociable man has become a withdrawn shadow of his former self. The movie got its name after its soundtrack 'Reign Over Me'. Which band wrote the song?
The Who
Many astronomers contributed to the discovery of Neptune: the German Galle, the Frenchman Le Verrier, and the Englishman Adams. In the 1980s, these objects around the planet were named in their honor.
Neptune's Rings
In the Lake District National Park, visitors are invited to do just that with the lemurs that live there. The experience is called "lemoga." 
Yoga with Lemurs
In 1962, he told producer Tony Sheridan that they were destined for success unlike any other group, adding cryptically, "I sold my soul to the devil for this."
John Lennon
"The Senate understands everything, the consul sees it, and yet this man is still alive!" Cicero raged, accusing him of conspiring against the republic.
Lucius Sergius Catiline
The film The Hours (2002) interweaves three women's stories connected by Virginia Woolf's novel Mrs. Dalloway. Which Pulitzer-winning author wrote the novel the film is based on, and also makes a cameo?
Michael Cunningham (appears as a man at the train station).
This character from The Big Bang Theory didn't earn a PhD because engineering doesn't require one. He enrolled in the Applied Physics Department at Caltech as an aerospace engineer after earning his master's degree there. However, there's an episode in the show where he attempts to earn his PhD, but Sheldon Cooper ends up as his thesis advisor.
Howard Wolowitz
The mayor of the Mexican city of San Pedro Huamelula annually performs a betrothal ceremony with this animal, after first having its jaws bound, just in case.
With a crocodile
The exact time and circumstances of the world's first auction are unknown, but the first mentions of auctions date back to 500 BC. In ancient Babylon, "THESE auctions" were held, where men bid for the lot they liked. Bidding was conducted in descending order.
Bride auctions were held—young girls were put up for sale.
Adriaen Adriaenszoon, nicknamed "The Kid," wounded one man in Utrecht and robbed another in Amsterdam. And when justice was done, he ended up in this Rembrandt painting. 
"The Anatomy Lesson of Dr. Tulp" (Adriaenszoon in the painting as a corpse, a teaching aid)
In Dead Poets Society (1989), John Keating teaches his students the phrase "Carpe Diem." Which Roman poet originally coined this phrase, and in which work?
Horace, in Odes Book I, Poem 11.
In fairy tales, heroes, through trials, achieve high status. Philologist Vladimir Propp traced the origins of the fairy tale to this primitive rite.
Initiation (a boy's acceptance into adulthood through trials)
His wife, Jackie, wrote the book "Animals in My Bed." The couple had pets all the time.
Gerald Malcolm Durrell
A copy of the script from which Orson Welles based his famous film was auctioned for $97,000.
"Citizen Kane"
Early in his criminal career, this gangster miraculously survived an assassination attempt by a rival gang. That's when he earned his nickname. 
Lucky Luciano, aka "Lucky"