Which key type is used in public key cryptography?
Binary
Symmetric
Asymmetric
Fact: Public key cryptography uses asymmetric keys. It works with two different keys: a public key and a private key. The public key is shared with everyone. The private key is kept secret by the owner.
Correct Answer: Asymmetric
Actor Michael Keaton took the last name Keaton to avoid confusion with what other famous Michael?
Michael Douglas
Michael Caine
Michael Landon
Michael Jackson
Fact: Michael Keaton was born Michael John Douglas, but because Michael Douglas was already an established Hollywood star, Screen Actors Guild rules prevented him from using the same professional name. To comply with union regulations, he selected a new surname early in his acting career. Contrary to popular belief, “Keaton” was not chosen as a tribute to Buster Keaton; instead, Keaton has said he picked the name at random while flipping through a phone book. To this day, he has never legally changed it and still goes by Michael Douglas to his friends and family.
Correct Answer: Michael Douglas
Which “Star Wars” actor voiced the Joker in the animated Batman series?
Harrison Ford
James Earl Jones
Mark Hamill
Alec Guinness
Fact: While Mark Hamill is forever associated with playing Luke Skywalker in Star Wars, he also delivered one of the most iconic voice performances in animation as the Joker on Batman: The Animated Series. Hamill’s chilling, maniacal laugh and remarkable emotional range redefined the character for an entire generation and helped cement the show’s darker, more sophisticated tone. The role proved transformative, revitalizing Hamill’s post–Star Wars career and solidifying his reputation as one of the most prolific and respected voice actors in the industry.
Correct Answer: Mark Hamill
What is one of the main threats facing the black-and-white ruffed lemur?
A Pollution
B Deforestation
C Invasive species
Fact: Deforestation is a significant threat to the black-and-white ruffed lemur, as their habitat in Madagascar is rapidly diminishing due to logging, agriculture, and other land-use changes.
Correct Answer: Deforestation
The black-and-white ruffed lemur is primarily found in which location?
A Amazon Rainforest
B Madagascar
C Southeast Asia
Fact: The black-and-white ruffed lemur is endemic to Madagascar, where it mainly inhabits the island’s tropical rainforests and faces challenges due to habitat loss.
Correct Answer: Madagascar
What conservation act was established to protect endangered species in 1973?
A Wildlife Protection Act
B Endangered Species Act
C Animal Welfare Act
Fact: The Endangered Species Act (ESA) signed in 1973 aims to protect species like the black-and-white ruffed lemur from extinction and preserve their habitats, emphasizing the importance of conservation.
Correct Answer: Endangered Species Act
What U.S. monopoly was broken into seven regional companies in the 1980s?
AT&T
U.S. Steel
Standard Oil
General Electric
Fact: In 1984, AT&T was dismantled as part of a landmark antitrust settlement with the U.S. Department of Justice. The breakup ended AT&T’s decades-long control over the nation’s telephone service and created seven regional operating companies—often called the “Baby Bells.” These new firms handled local phone service, while AT&T retained long-distance operations and equipment manufacturing. The move reshaped the U.S. telecommunications industry, fostering competition and paving the way for modern phone and internet services.
Correct Answer: AT&T
Which film was the true Best Picture winner at the Academy Awards after La La Land was mistakenly announced?
Arrival
Hidden Figures
Moonlight
Manchester by the Sea
Fact: At the 89th Academy Awards in 2017, one of the most infamous moments in Oscars history unfolded when presenters Warren Beatty and Faye Dunaway were mistakenly handed the wrong envelope and announced La La Land as Best Picture. Beatty hesitated after seeing the card, but Dunaway read the title aloud, triggering celebrations onstage. Moments later, producers revealed the error on live television, and the correct winner—Moonlight—was announced, creating a shocking reversal that instantly became one of the most talked-about moments in Academy Awards history.
Correct Answer: Moonlight
What unique ice formation can be found along Lake Superior’s shoreline during winter?
A Plate ice
B Slush ice
C Floe ice
Fact: Plate ice is a distinctive formation created by thin sheets of ice that stack and drift on Lake Superior during winter. This phenomenon results from the lake’s unique depth and wind patterns, leading to the stunning, glass-like shards along the shoreline.
Correct Answer: Plate ice
What does the Ojibwe name ‘Gichigami’ mean concerning Lake Superior?
A Great seas
B Frozen water
C The deep lake
Fact: ‘Gichigami’ translates to ‘great sea’ in Ojibwe, reflecting how the Indigenous people perceive the vastness and significance of Lake Superior. As the world’s largest freshwater lake, it has always held immense importance in the region.
Correct Answer: Great seas