Brain Stuff

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Brain Stuff

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BrainStuff Classics: Why Are the Oceans Salty?

Seawater is salty because of several quirks in Earth's water cycle. Learn the reasons why in this...

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BrainStuff Classics: Could Technology Replace Animal Testing?

Trying potential medical treatments on animals was once the best that science could do, but new...

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Why Do Ordinary People Commit Espionage?

It takes a particular kind of person to go from average citizen to amateur spy. Learn what...

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How Do Emus Work?

These large, leggy birds can run fast and make friends faster. Learn more about them in this...

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How Can Herd Immunity Help Keep a Population Safe?

Herd immunity can help keep a population healthier, but achieving it can be difficult. Learn...

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How Did Oregon Enforce a White-Only Population Until 1926?

In the 1850s, Oregon voted to outlaw slavery in their state -- but also to outlaw free Black...

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BrainStuff Classics: What Can We Learn from Fish about Walking?

Some fish that strut the seafloor share a common ancestor with humans, so researchers are hoping...

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BrainStuff Classics: Does Technology Make Us Worse Drivers?

Any high-tech car feature that takes your attention away from the road is a distraction, but are...

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Did Lucille Ball Use Her Fillings to Spy?

Rumor has it that Lucille Ball once picked up a spy's radio signal with her fillings -- but could...

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How Do Spider Webs Work?

Different kinds of spiders build all sorts of different webs, from beautiful bug-catchers to...

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Is It Better to Shower in the Morning or Evening?

Showering first thing or last thing in your day is largely a personal preference, but a few...

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Why Is Coal Ash Such a Problem?

One of the results of burning coal to produce energy is the creation of coal ash, a toxic product...

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How Does Budget Reconciliation Work?

Once a year, the U.S. government can use a process called reconciliation to fast-track big budget...

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BrainStuff Classics: How Do Boogers Form?

Snot is a crucial part of our immune system, and boogers are a byproduct of that system. Learn...

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BrainStuff Classics: Why Are Some Sea Turtles Hatching Almost All Female?

A sea turtle\'s sex is determined by the temperature where it hatches, and the Great Barrier Reef...

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Why Do Most People Have 46 Chromosomes?

Chromosomes contain the DNA that codes our very existence, and most people have 23 pairs. Learn...

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What Was the Great Moon Hoax of 1835?

In the early 1800s, a set of newspaper articles had people across America believing a...

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How Do Capybaras Work?

This characteristically chill, friendly animal is the largest rodent in the world. Learn more...

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How Does Tabasco Sauce Work?

Tabasco brand hot sauce is the most popular in the U.S., and it\'s been made pretty much the same...

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How Did Jean Macnamara Help Vanquish Polio?

In the early 1900s, Australian doctor Jean Macnamara helped the world learn how polio works --...

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