Biology/Chemistry
This protective coating on human teeth is the hardest substance in the human body.
What is tooth enamel?
Despite its massive size, this planet in our solar system rotates the fastest, completing a full day in just under 10 hours.
What is Jupiter?
his massive marine mammal, the largest animal ever known to have existed, has a heart so large that a human could swim through its primary arteries.
What is the Blue Whale? .
While often associated with heat and sand, this continent is technically the world’s largest desert because it receives less than 10 inches of precipitation annually.
What is Antarctica?
This 16th U.S. President led the country through its Civil War and issued the Emancipation Proclamation in 1863.
Who was Abraham Lincoln?
This element, represented by the symbol 'H', is the most abundant in the entire universe.
What is hydrogen?
While typically depicted as a perfect sphere, scientists have noted that the Moon is actually shaped more like this citrus fruit.
What is a lemon?
Despite being one of the ocean's most feared hunters, this animal has a skeleton made entirely of cartilage rather than bone.
What is a Shark?
This is the only country in the world that is also a continent, though it is often grouped into the broader region of Oceania.
What is Australia?
his iconic structure, which divided a major European city for 28 years, was finally opened in November 1989, symbolizing the impending collapse of the Soviet Union.
What was the Berlin Wall?
This is the only metal element that remains in a liquid state at standard room temperature.
What is mercury?
his is the closest spiral galaxy to our own Milky Way, and it is currently on a multi-billion-year collision course with us.
What is the Andromeda Galaxy?
This is the only mammal capable of true, powered flight, using specialized skin membranes stretched across its finger bones.
What is a Bat?
Enclaved entirely within the city of Rome, this independent city-state is the smallest country in the world by both area and population.
What is Vatican City?
In 2025, the United States began preparing for the "Semiquincentennial" in 2026, marking 250 years since the signing of this foundational document.
What is the Declaration of Independence?
This group of elements, which includes Helium, Neon, and Argon, is known for being chemically inert or "unreactive.
What are the noble gases
This space telescope, which reached its Lagrange point (L2) in 2022, uses a massive gold-coated mirror to peer through cosmic dust using infrared light.
James Webb Space Telescope
This unique Mexican salamander is famous among scientists for its ability to regenerate not just its tail, but also its limbs, heart, and parts of its brain.
What is the Axolotl?
Spanning two continents and covering over 6.6 million square miles, this country holds the record for the most consecutive time zones within a single contiguous landmass.
What is Russia?
Despite its association with the distant past, the guillotine was used for the final judicial execution in France as recently as this decade
What were the 1970s (specifically 1977)?
This nucleic acid acts as a messenger in protein synthesis, a process highlighted by the development of specialized vaccines.
What is RNA (or mRNA)
Launched in 1977, this is the most distant human-made object in space, currently traveling through interstellar space more than 15 billion miles from Earth.
What is Voyager 1?
If you encounter a group of porcupines in the wild, you would technically be looking at this strangely named gathering.
What is a Prickle?
This 51-mile man-made waterway, completed in 1914, drastically shortened the trip for ships traveling between the Atlantic and Pacific Oceans.
What is the Panama Canal?
Signed in 1215 at Runnymede, this document limited the power of the English monarchy and established the principle that nobody, including the King, is above the law.
What is the Magna Carta?