Blog
Counterintuitive facts, quiz deep dives and knowledge stories.
Which Country Has the Most Time Zones?
Not Russia, not the US: France has the most time zones with 12. China, almost as wide as the US, runs on a single one.
Which Country Has the Most Pyramids?
Most people guess Egypt. But Sudan has roughly 230 Nubian pyramids, nearly double Egypt's count. Here's where they stand.
Which Is the Largest Desert in the World? Plot Twist
The largest desert in the world isn't in Africa and has no sand. It's Antarctica. We explain the plot twist and the real top 5 deserts by size.
What Is the Fastest Train in the World? The Numbers Will Surprise You
The fastest train in the world clocked 375 mph. On a test track in Japan. In daily service the top train runs much slower. Here are the real numbers.
How Long Did the Roman Empire Really Last?
How long did the Roman Empire last? School says 500 years. That's wrong. With Byzantium, it ran 1,480 years. With the Republic, almost 2,000. Here's the math.
How Hot Is the Sun Really? The Answer Has a Plot Twist
How hot is the sun? The surface is 9,932 °F. The core is 27 million. But the real plot twist sits in the sun's outer atmosphere.
How Old Is the Oldest Tree in the World?
The oldest tree in the world is over 4,800 years old and was already alive before the Egyptian pyramids were built. Meet Methuselah, Pando, and the saddest tree story of the 20th century.
How Far Is the Moon From Earth? Farther Than You'd Guess
How far is the Moon from Earth? About 384,400 km (238,855 mi) on average. Plot twist: all 8 planets in our solar system fit in that gap, side by side.
How Old Is the Earth Really? The Numbers Will Surprise You
How old is the Earth really? Spoiler: 4.54 billion years. We show you how scientists read that age from tiny crystals and why humans missed nearly all of it.
How Many Languages Are There in the World? Way More Than You Think
How many languages in the world? Around 7,100. Almost half are dying. And one tiny country speaks more languages than all of Europe combined.
How Deep Is the Ocean Really? Deeper Than Mount Everest Is Tall
How deep is the ocean really? At its deepest point, around 10,935 meters. Deep enough to swallow Mount Everest with 2 km of water still on top.
How Big Is Russia Really? Numbers That Will Surprise You
Russia is huge. But how big exactly? Spoiler: the contiguous US fits inside it more than twice, and flying west to east takes about 9 hours.