This phenomenon is called the triple point, where temperature and pressure are just right for all three phases of a substance to coexist.
Neutron stars are incredibly dense; a sugar-cube-sized amount would outweigh Mount Everest.
They contain potassium-40, a naturally occurring isotope that makes them slightly radioactive.
Despite being vastly different species, humans and bananas share a surprising amount of genetic material.
The Sun is about 93 million miles away, and its light travels at 299,792 km per second.
Archaeologists have found pots of honey in ancient Egyptian tombs that are still perfectly edible.
Earth has about 3 trillion trees, while the Milky Way has an estimated 100–400 billion stars.
The human body is a complex network of trillions of specialized cells working together.
Heat causes metal to expand, making the tower about 6 inches taller during hot weather.
Two pump blood to the gills, and one pumps it to the rest of the body.
Even though it accounts for only 2% of your weight, the brain consumes a fifth of your energy.
Water molecules are packed more closely, allowing sound waves to travel faster.
This prevents it from digesting itself with its own acid.
A single strike carries up to 1 billion volts of electricity.
It can be seen from space and stretches over 2,300 kilometers.
Venus rotates very slowly; its day lasts 243 Earth days while its year is 225 Earth days.
Sloths can slow their heart rate and hold breath for up to 40 minutes, while dolphins need to breathe every 10–15 minutes.
There are about 6 feet of DNA in each cell, and with trillions of cells, the total length is mind-boggling.
They have short cycles of inactivity but don’t sleep in the traditional sense.
Sharks have been around for more than 400 million years, predating trees by 50 million years.
That’s 7,000,000,000,000,000,000,000,000,000 atoms.
Glass molecules move very slowly, almost like a liquid over long periods of time.
While it’s mostly a vacuum, some sound waves can travel through plasma in space.
It’s mostly made of gas and has a lower density than water.
It’s powerful enough to push blood through 60,000 miles of vessels.
Taste sensors are located on their legs, helping them identify food by landing on it.
It can be found as solid, liquid, and gas in nature.
This gradual shift affects tides and day length over geological time.
Much more sensitive than previously believed, our sense of smell is highly refined.
These microscopic animals can endure extreme temperatures and radiation, even the vacuum of space.
Most of the solar system’s matter is concentrated in the sun.
Sudden pressure changes during quakes can cause dissolved minerals to solidify rapidly.
In about 4 billion years, the two galaxies will merge to form a new one.
Modern birds evolved from theropod dinosaurs and are considered their descendants.
Tomatoes possess about 31,760 genes, while humans have around 20,000–25,000.
Each type serves a different purpose—web construction, prey capture, or reproduction.
The Moon’s diameter is about 3,474 km, while the Pacific spans over 19,000 km at its widest point.
Due to the Moon’s gravitational effects, Earth’s rotation has slowed over millions of years.
Thanks to exponential growth, folding paper 42 times would theoretically cover 384,400 km.
Known as the “Wood Wide Web,” these networks allow trees to share nutrients and information.
The inner core reaches temperatures of up to 6,000°C, comparable to the Sun’s outer layer.
Olympus Mons is over 13.6 miles high, nearly triple the height of Mount Everest.
Whales accumulate wax in layers, which researchers can count like tree rings.
Alkali metals like sodium and potassium react violently, sometimes bursting into flames or exploding.
Your microbiome contains trillions of bacteria that are essential for digestion and immunity.
Without gravity, gas doesn’t separate from liquid in your stomach, making burping impossible.
At any moment, your brain produces around 20 watts of electrical power.
It can reach temperatures of 30,000°C compared to the Sun’s surface at about 5,500°C.
We emit small amounts of visible light, though it’s 1,000 times weaker than the human eye can detect.
Recent studies show that hydrogen atoms from the geocorona reach over 630,000 km into space.