Earth’s strangest secrets: 10 facts that will shock you


Published on May 19, 2025


Image: elizabeth lies

Our planet is full of strange phenomena that continue to intrigue and puzzle scientists and curious minds alike. From bizarre weather patterns to unique geological structures, Earth’s quirks often defy explanation, and some of these mysteries are downright mind-blowing. Let’s dive into some of the most unexpected and fascinating facts about our world that might just make you see Earth in a whole new way!

1

Shifting Continents

Image: Craig Chilton

The continents are constantly moving, drifting at an average rate of about 1 inch per year. Over millions of years, they slowly shift apart or toward each other due to plate tectonics.

This movement causes earthquakes and leads to the formation of mountain ranges, such as the Himalayas. Earth’s continents are not static but dynamic, continually reshaping the planet’s geography.

2

Lake Vostok's Subsurface World

Image: Cassie Matias

Lake Vostok in Antarctica lies buried beneath 2.5 miles of ice, creating an isolated ecosystem.

This subglacial lake has been sealed off from the outside world for millions of years, making it a prime location for studying microbial life in extreme conditions. Scientists believe it may harbor unique, previously undiscovered life forms, despite being entirely isolated.

3

Bioluminescent Waves

Image: David Clode

Some oceans glow in the dark thanks to bioluminescent organisms.

This phenomenon occurs when certain types of plankton and algae, such as dinoflagellates, emit light when disturbed. The natural glow is often visible in various coastal areas, particularly during the warmer months. It’s a stunning display of nature’s ability to create light from living organisms.

4

A Day Isn’t Exactly 24 Hours

Image: Renel Wackett

A full rotation of Earth takes approximately 23 hours, 56 minutes, and 4 seconds.

While we use a 24-hour day for convenience, the actual time it takes Earth to complete one full rotation is slightly less than that. This discrepancy arises from Earth’s orbit around the Sun, which causes a full solar day to be slightly longer than a sidereal day.

5

The Earth’s Inner Core Is Hotter Than the Sun

Image: Philip Graves

The temperature at Earth’s inner core exceeds 10,300°F, making it hotter than the surface of the Sun.

Composed primarily of iron and nickel, the inner core remains solid due to immense pressure. Despite its solid state, it is still hotter than the Sun’s surface, which reaches only about 5,500°C (9,932°F). This extreme heat plays a key role in generating Earth’s magnetic field and driving internal convection currents.

6

Earth’s Magnetic Field Reverses

Image: Jametlene Reskp

Earth’s magnetic poles flip every several hundred thousand years.

This process, known as geomagnetic reversal, causes the North and South Magnetic Poles to switch places. Although the reversal unfolds over thousands of years and lacks a definitive explanation, evidence from rocks and minerals reveals a long history of these shifts.

7

Earth Has a Second Moon

Image: NASA Hubble Space Telescope

Earth occasionally has a temporary second moon, known as a "quasi-satellite."

This phenomenon involves small asteroids caught in Earth's gravitational pull, orbiting the planet for a period before drifting away. One such object, 2020 CD3, was temporarily captured in Earth’s orbit for about three years before being ejected back into space.

8

Antarctica Is the Largest Desert

Image: NOAA

While deserts are typically associated with heat, Antarctica is actually the largest desert on Earth.

Deserts are defined by their low precipitation, not just temperature. With its extremely cold climate and minimal rainfall, Antarctica qualifies as the largest desert on the planet, spanning roughly 5.4 million square miles.

9

A Massive Underground Ocean

Image: Alfonso Betancourt

Deep beneath the Earth’s surface lies a massive reservoir of water.

This water, trapped in minerals, is located about 400 miles below the Earth’s crust. Scientists believe this subterranean ocean could contain more water than all of Earth’s surface oceans combined. This discovery could have significant implications for our understanding of Earth’s water cycle.

10

Earth’s Atmosphere Is 78% Nitrogen

Image: Miguel A Amutio

Earth’s atmosphere is primarily composed of nitrogen, a gas that is inert and does not support life.

Oxygen, essential for life, makes up about 21% of the atmosphere. While nitrogen constitutes the vast majority of Earth's atmosphere, it plays a crucial role in maintaining atmospheric pressure, even though it does not directly interact with most living organisms.


Which one stole your heart?

No, Golden Retrievers weren't bred to fetch gold: Dog breed names 101


Published on May 19, 2025


Image: Glenn

Do you love dogs? From royal companions to fearless hunters and from German badger dogs to barkless African hounds, the names of our favorite breeds often hold surprising stories. Whether you’re a fan of the stoic Mastiff, the sassy Poodle, or the majestic Husky, there’s a tale behind each name that might surprise you. Let’s dig in!

1

Husky

Image: photo nic

The beautiful, blue-eyed Husky is inseparable from dog-sledding lore. The breed’s name evolved from the word "Eskimo."

English sailors once slurred "Eskimo" into "Uskee" or "Huskemaw," which eventually transformed into "Husky."

2

Dachshund

Image: Alondra Pavón

What’s not to love about wiener dogs? Their original name, however, refers not to their iconic sausage shape but to the purpose for which the breed was developed.

Dachshunds were bred to hunt badgers and other burrowing animals, with their long bodies and short legs making them ideal for digging into tunnels. The name is a German compound of Dachs (badger) and Hund (dog), meaning "badger dog."

3

Schnauzer

Image: Irene

There are three beloved varieties of Schnauzer—miniature, standard, and giant—and each has had its moment in pop culture.

The breed takes its name from its distinctive "mustache" or schnauze (snout) in German, literally meaning "snouter" or "muzzle." Originally, Schnauzers were used as rat-catchers and guard dogs in Germany.

4

Doberman

Image: Anna Kozakova

Often portrayed as guard dogs or police K-9s in film, Dobermans were named after Karl Friedrich Louis Dobermann, a 19th-century German tax collector who developed the breed as a loyal and protective companion for his dangerous rounds.

5

Corgi

Image: Alvan Nee

Queen Elizabeth II’s beloved Welsh Corgis made the breed internationally famous. In Welsh, cor means "dwarf" and gi (a soft mutation of ci) means "dog," so Corgi translates to "dwarf dog." Indeed, the breed originated in Wales, where it was used for herding cattle by nipping at their heels. Over time, Corgis also became a cultural symbol of British royalty.

6

Basenji

Image: TomasHa

Known as the "barkless dog" of Central Africa—because of its unique larynx structure, which produces a yodel-like sound (baroo) instead of a bark—the name "Basenji" comes from a Bantu language and roughly translates to "village dog" or "bush thing." The breed is ancient and was used for hunting in the Congo.

7

Labrador Retriever

Image: Joshua Köller

Did you know the Labrador Retriever has been America’s most popular dog breed for decades? Despite its name, the breed did not originate in Labrador but in Newfoundland.

It was called "Labrador" because British breeders associated the dogs with the Labrador Sea and the nearby region, while "Retriever" refers to the breed’s role in hunting.

8

Golden Retriever

Image: Justin Aikin

So, did Golden Retrievers retrieve gold? Short answer: no. Like Labradors, they were bred to retrieve game for hunters, but the "golden" part of their name refers to their beautiful coat.

The breed was developed in Scotland in the 19th century by crossing several breeds to create an obedient, water-loving gun dog.

9

Beagle

Image: Rahul danga

Snoopy is perhaps the most famous Beagle out there, even though we only saw him in black and white.

The origin of this beloved breed’s name is debated. It may derive from the Old French begueule, meaning "open throat," a nod to their baying howls. Others trace it to Celtic or Old English words meaning "small."

10

Poodle

Image: Tra Tran

Always pampered and impeccably groomed! If the term "Poodle" has always reminded you of "puddles," you are not far off. The name comes from the German Pudel or Pudelin, meaning "to splash in water." Poodles were originally bred as water retrievers, so their name reflects this aquatic work.

11

Pug

Image: Bruce Galpin

Pugs’ features and expressive faces have made them a source of comic relief in pop culture. There is no consensus about the origin of their name, however.

Some say that it derives from the Latin pugnus, meaning "fist," perhaps referencing their squished, fist-like face. Others say that in 18th-century England, "pug" was also a term of endearment for something small and compact-looking.

12

Boxer

Image: Jackson Jorvan

Athletic, energetic, and full of protective instincts, Boxers are true family guardians. But why the name?

It is thought to come from the breed’s tendency to use its front paws in play, like a boxer in the ring. Another theory links the name to the German word Boxl, a nickname for the breed in Bavaria.

13

Mastiff

Image: Sophie Hollies 🇨🇭🇫🇷 🇬🇧

As calm and noble as they are huge, Mastiffs were named after the Old French mastin or the Latin mansuetus, meaning "tame" or "domesticated." Despite their imposing size, Mastiffs were bred to guard homes and estates while remaining loyal and gentle with their owners.

Looking for an extra scoop of literary fun?

Learn more with our Word of the day

volatile

/ˈvɑlədl/