Blue Glaucus: A Majestic Blue Sea Slug

This tiny creature is much cooler than its size would suggest. Learn about sea slugs, the unsung heroes of the sea!

The majestic blue glaucus

Table of Contents What are sea slugs? The term sea slug is often used interchangeably to describe many species with the “classic slug shape”—a long, slightly squashed cylinder. True sea slugs, like the blue glaucus, belong to a family known as . Nudibranchs are some of the most fascinating and […]

Blue Glaucus: A Majestic Blue Sea Slug

This tiny creature is much cooler than its size would suggest. Learn about sea slugs, the unsung heroes of the sea!

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Table of Contents What are sea slugs? The term sea slug is often used interchangeably to describe many species with the “classic slug shape”—a long, slightly squashed cylinder. True sea slugs, like the blue glaucus, belong to a family known as . Nudibranchs are some of the most fascinating and

What Does Water Taste Like?

Find out how we taste and why water tastes like it does

What does water taste like?

Table of Contents What, exactly, does nothing taste like? Water—bottled, tap, mineral, or sparkling. It might even have a lemon slice or some mint leaves. Water from the tap and water from the bottle don’t taste the same; but how do we know what exactly water tastes like? How do

What Does Water Taste Like?

Find out how we taste and why water tastes like it does

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Table of Contents What, exactly, does nothing taste like? Water—bottled, tap, mineral, or sparkling. It might even have a lemon slice or some mint leaves. Water from the tap and water from the bottle don’t taste the same; but how do we know what exactly water tastes like? How do

Alligators vs. Crocodiles!

What’s the difference between these two similar looking animals? Big, green and scaly! Read on to look a little closer.

The external ear is the small slit visible behind the eye. This is the saltwater crocodile.

Table of Contents What are crocodilians? are some of the largest and coolest-looking reptiles on planet Earth! The massive American alligator can range to fourteen feet (4.3 meters) long, and the saltwater crocodile can be up to 20 feet (6 meters) long. Crocodiles and alligators (along with gharials, false gharials,

Alligators vs. Crocodiles!

What’s the difference between these two similar looking animals? Big, green and scaly! Read on to look a little closer.

Read More »

Table of Contents What are crocodilians? are some of the largest and coolest-looking reptiles on planet Earth! The massive American alligator can range to fourteen feet (4.3 meters) long, and the saltwater crocodile can be up to 20 feet (6 meters) long. Crocodiles and alligators (along with gharials, false gharials,

Are Dogs Colorblind?

Dogs live their lives with us, but the world they see is not the same as ours.

Flowers under UV Rays

Table of Contents Every animal perceives the world differently, but how and why is this the case? Vision is almost always the first sense we use to perceive the world around us, but it is incredibly difficult to try to explain what exactly we are seeing. How do you know

Are Dogs Colorblind?

Dogs live their lives with us, but the world they see is not the same as ours.

Read More »

Table of Contents Every animal perceives the world differently, but how and why is this the case? Vision is almost always the first sense we use to perceive the world around us, but it is incredibly difficult to try to explain what exactly we are seeing. How do you know

How Does a Nuclear Reactor Work?

Nuclear reactors are one of the most common ways of producing energy worldwide

how does a nuclear reactor work

Table of Contents Nuclear energy sounds mysterious, doesn’t it? Learn how a common reaction powers our daily lives The very first fuel source was firewood, keeping humans warm in the winter and helping us cook. From firewood, we began to use coal and other fossil fuels. Although nuclear energy is

How Does a Nuclear Reactor Work?

Nuclear reactors are one of the most common ways of producing energy worldwide

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Table of Contents Nuclear energy sounds mysterious, doesn’t it? Learn how a common reaction powers our daily lives The very first fuel source was firewood, keeping humans warm in the winter and helping us cook. From firewood, we began to use coal and other fossil fuels. Although nuclear energy is

How do Glasses Work?

Glasses are worn by people in every corner of the world. Learn about how these seemingly magical pieces of glass let people see

A nineteenth century pair of glasses

Table of Contents About 79% of the American population needs a form of visual aid. This can include prescription eyeglasses, contact lenses, or . Of these 198 million people, a majority of about 84% use eyeglasses! This proportion increases as people get older, and most senior citizens use some form

How do Glasses Work?

Glasses are worn by people in every corner of the world. Learn about how these seemingly magical pieces of glass let people see

Read More »

Table of Contents About 79% of the American population needs a form of visual aid. This can include prescription eyeglasses, contact lenses, or . Of these 198 million people, a majority of about 84% use eyeglasses! This proportion increases as people get older, and most senior citizens use some form

How do Crystals Form?

Shining, sparkling crystals catch the eye, but what’s inside? How does a regular structure like crystal form in the chaos of nature?

The internal structure of quartz

Table of Contents What is crystal? Crystal is simply a regular, repeating arrangement of particles. These particles are known as atoms. Atoms are the fundamental units that make up everything that we see in the world! The device that you’re reading this on? Atoms! Tables and chairs? Atoms! Imagine you

How do Crystals Form?

Shining, sparkling crystals catch the eye, but what’s inside? How does a regular structure like crystal form in the chaos of nature?

Read More »

Table of Contents What is crystal? Crystal is simply a regular, repeating arrangement of particles. These particles are known as atoms. Atoms are the fundamental units that make up everything that we see in the world! The device that you’re reading this on? Atoms! Tables and chairs? Atoms! Imagine you

How Does Soap Work?

Find out the mechanism behind one of the most common household products

Soap_Molecule

Table of Contents Liquid, solid or powder, all soaps work similarly Soap is so easily available nowadays that we often take it for granted. Though soap became commonly used around 1000 years ago, it took a long time for people to realize just how useful it is! Disease was mysterious

How Does Soap Work?

Find out the mechanism behind one of the most common household products

Read More »

Table of Contents Liquid, solid or powder, all soaps work similarly Soap is so easily available nowadays that we often take it for granted. Though soap became commonly used around 1000 years ago, it took a long time for people to realize just how useful it is! Disease was mysterious

How Does a Solar Panel Work?

Sunlight to electricity? How does a conversion like that take place?

A large solar power park in Serpa, Portugal

Solar panels are the most well-known source of renewable energy. But how do they work, exactly? Table of Contents What do solar panels do? When most people imagine solar power, they think of giant fields of solar panels, each taking energy from the Sun. This is the most common use

How Does a Solar Panel Work?

Sunlight to electricity? How does a conversion like that take place?

Read More »

Solar panels are the most well-known source of renewable energy. But how do they work, exactly? Table of Contents What do solar panels do? When most people imagine solar power, they think of giant fields of solar panels, each taking energy from the Sun. This is the most common use

What is Catnip Used For?

Herb, drug, or seasoning?

The minty leaves of the catnip plant

Table of Contents Adorable videos of cats playing with catnip toys are common, but how does it work? Does catnip have any other uses? Catnip for Cats Catnip comes from the plant Nepeta cataria. Dried, fresh, or concentrated into an essential oil, most cats go crazy for catnip! Catnip, or

What is Catnip Used For?

Herb, drug, or seasoning?

Read More »

Table of Contents Adorable videos of cats playing with catnip toys are common, but how does it work? Does catnip have any other uses? Catnip for Cats Catnip comes from the plant Nepeta cataria. Dried, fresh, or concentrated into an essential oil, most cats go crazy for catnip! Catnip, or

Fractals in Nature

Infinitely repeating patterns can be found anywhere you look

The regular, repeating pattern of hexagons

Table of Contents Learn about the surprising mix of math and nature A fractal is nothing but an infinitely repeating pattern. Imagine a triangle. Each triangle is part of a larger triangle which is part of a larger triangle… and so on. A fractal pattern is made up of these

Fractals in Nature

Infinitely repeating patterns can be found anywhere you look

Read More »

Table of Contents Learn about the surprising mix of math and nature A fractal is nothing but an infinitely repeating pattern. Imagine a triangle. Each triangle is part of a larger triangle which is part of a larger triangle… and so on. A fractal pattern is made up of these

How Did Wolves Become Dogs?

Learn about the journey of man’s best friend

The basenji breed

Table of Contents When you look at a dog, especially a dog like a Pomeranian or dachshund, it’s hard to imagine that it came from the wolf. How did this transformation take place?   The connection between dogs and humans is highlighted by the scientific name of the domestic dog:

How Did Wolves Become Dogs?

Learn about the journey of man’s best friend

Read More »

Table of Contents When you look at a dog, especially a dog like a Pomeranian or dachshund, it’s hard to imagine that it came from the wolf. How did this transformation take place?   The connection between dogs and humans is highlighted by the scientific name of the domestic dog:

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