Mathematics
This famous sequence begins with 0 and 1, where each subsequent number is the sum of the previous two.
What is the Fibonacci sequence?
Written around 1750 BCE, this Babylonian legal text features 282 laws and is famous for establishing the principle of "an eye for an eye."
What is the Code of Hammurabi?
It is the specific term for the ability of a plant to re-orient its shoot growth toward the direction of a light source.
What is phototropism?
These are the only two countries in the world that are officially "doubly landlocked".
What is Uzbekistan and Liechtenstein?
Meta launched this text-based companion app in 2023 to directly rival Elon Musk's X platform, breaking the record for the fastest app to reach 100 million users.
What is Threads?
This paradox describes the counterintuitive probability that in a room of just 23 people, there is a 50% chance two people share a birth date.
What is the birthday paradox?
Also the name of an ABBA single, this June 1815 battle fought in present-day Belgium marked the final defeat of Napoleon Bonaparte.
What is Waterloo/ Battle of Waterloo?
This fatty substance forms an insulating sheath around the axon of a neuron, dramatically increasing the speed at which electrical impulses travel.
What is myelin? (or the myelin sheath)
Sitting at an altitude of over 3,600 meters, this is widely considered the highest capital city in the world.
What is La Paz?
Jennifer Lopez wearing an iconic green Versace silk chiffon dress to the 2000 Grammy Awards famously inspired the launch of this specific search engine tool because so many users wanted to see photos of it.
What is Google Images?
Unlike ANOVA, which compares three or more groups, this common hypothesis test is used to determine if there is a significant difference between the means of exactly two groups.
What is a t-test?
Sergei Krikalev became as the last citizen of this country because he was sent up to the Mir space station in May 1991 only to return, 310 days later, in March 1992.
What is the USSR?
Launched in 2021, this advanced space telescope uses infrared instruments to look back 13.5 billion years into the early universe.
What is the James Webb Space Telescope? (or JWST)
Once the fourth-largest lake in the world, this Central Asian water body has shrunk to less than 10% of its original size due to Soviet irrigation projects.
What is the Aral Sea?
This term describes an unannounced algorithmic penalty where a platform restricts a user's content distribution without notifying them.
What is a shadowban?
This English polymath and Isaac Newton independently invented calculus in the late 17th century, causing a bitter lifelong rivalry over who deserved credit.
Who is Gottfried Wilhelm Leibniz
A 1972 break-in at the Democratic National Committee headquarters in this Washington, D.C., complex led to the first and only resignation of a sitting U.S. President.
What is the Watergate scandal?
Coined by journalist Don Hoefler in 1971, this regional nickname was inspired by the heavy concentration of semiconductor manufacturers in the Santa Clara Valley.
What is Silicon Valley?
This river, famously navigated by Henry Morton Stanley, is the deepest river in the world and the only major river to cross the equator twice.
What is the Congo River?
This short-form video hosting service launched loop-based comedy stars in 2013 before its parent company, Twitter, deactivated uploads in 2017.
What is Vine?
Discovered by an Indian mathematician in 1949, this specific four-digit number acts as a calculation "black hole" for almost all four-digit numbers.
What is 6174 (Kaprekar's constant)?
This failed 1961 U.S.-backed invasion of Cuba aimed to overthrow the communist government of Fidel Castro.
What is the Bay of Pigs Invasion? (or Operation Bay of Pigs)
Fittingly sharing its name with a Tagalog word meaning "from" or "origin," this 130-kilogram PhilSA spacecraft is the country's upcoming flagship Earth-observation satellite.
What is MULA? (Multispectral Unit for Land Assessment)
This island voted overwhelmingly in a 2019 referendum to gain full independence from Papua New Guinea, putting it on track to become the world's newest sovereign state.
What is Bougainville?
Built by developer Noah Iarrobino, this viral 2026 messaging app embraces "slow social media" by delivering texts via virtual birds that travel at 110 mph and have a 0.2% chance of dying mid-flight.
What is Carrier Pidge?