What makes sound a weapon? Review the basics of sound and discover exactly how the LRAD produces its "beam of sound." We'll also explore LRAD's hailing and warning abilities and other uses for sound.

By Tracy V. Wilson

This adorable sea slug (also called a leaf slug or sea sheep) is one of the most unique examples of marine life on Earth. Similar to mollusks and other nudibranch species, these little guys spend most of their lives crawling slowly along the sea floor in warm, shallow waters without a care in the world.

By Mitch Ryan

This rare phenomenon, sometimes called a winter thunderstorm, occurs when a wave cyclone experiences strong upward motion. Freezing temperatures cause snow to fall as the primary precipitation, often leading to thundersnow, lightning and other dramatic meteorological events.

By Mitch Ryan

Ah, cherubim — those mysterious angelic beings that have sparked curiosity for centuries. These spiritual beings appear throughout the Bible, often depicted as guardians of God's presence, and their descriptions range from awe-inspiring to downright otherworldly.

By Mack Hayden

A clean coffee maker is essential for a fresh and flavorful cup of coffee. Over time, coffee residue and mineral buildup can affect the taste of your brew and reduce the efficiency of your coffee machine. Luckily, learning how to clean a coffee maker is simple and doesn't take much time.

By Talon Homer

You need to wash cashmere, but you're not sure how to do it. Learn about how to wash cashmere in this article.

By HowStuffWorks.com Contributors

Keeping a clean grill is the secret to great barbecue. After all, yesterday's steak marinade won't taste good on today's lime-grilled tilapia.

By Emilie Sennebogen & Ada Tseng

Spilling nail polish on your favorite outfit can feel like a disaster, but don't panic! Whether it's a fresh nail polish spill or dried nail polish, the right approach can help lift the stain without ruining your clothes.

By Mack Hayden

Some local convenience store shelves have remained relatively unaltered over the last few decades. Bright-colored labels and sugar-packed drinks are still in high supply, but beverage fans may recall distinctive glass bottles with two lizards on the label that have seemed to disappear.

By Mitch Ryan

Cats have an exceptionally independent personality compared to other pets. There must be some distant memory of being worshipped as gods in ancient Egypt locked away in their genetic code that explains their sassy, uppity nature.

By Mitch Ryan

Neanderthals (Homo neanderthalensis) and humans (Homo sapiens) are two distinct species within the genus Homo. Neanderthals lived in Eurasia until about 40,000 years ago, alongside ancient humans.

By Ada Tseng

Baseboards are the trim or molding that runs along the bottom edge of interior walls, where the wall meets the floor. They protect walls, cover gaps, add decorative style and prevent dust and dirt from accumulating over time.

By Ada Tseng

All your copper items are turning greenish, and you'd like to learn how to clean them. This article will tell you how to clean copper.

By Zach Taras

If you took one of our recent newsletter quizzes, you've come to the right place for the answers.

By Madison Orradre

Orange cats are notorious for their big, bold personalities that seem to take up more space than their small frames. Known for their eccentric quirks and energetic antics, ginger cats have earned a reputation for being full of life — and sometimes a bit wild.

By Karina Ryan

Glass shower doors can quickly become covered in soap scum buildup, hard water stains and streaks that make your bathroom look less bright inviting. But learning how to clean shower glass is simple — and it's not just about looks.

By Ada Tseng

The world of anime has a lot of variety, and when it comes to romance, it's further complicated by the intended audience: Some is made for young men, some for young women, some for slightly older members of each gender, and so forth.

By Zach Taras

Today, we’re talking about penance, one of the most meaningful practices in Christian faith. Whether in the Catholic Church, the Eastern Orthodox Church or other Christian traditions, penance plays a crucial role in spiritual life. It's not just about saying "I'm sorry"; it's about real transformation and a return to God's grace.

By Mack Hayden

In 1859, the Carrington Event was the most intense global solar storm ever recorded. The effects were felt all over the Earth.

By Ada Tseng

Silk is a delicate fabric that requires extra care to keep it looking luxurious and feeling soft. Whether you have silk clothing or other silk items, it's important to properly wash them to prevent damage.

By Mack Hayden

Have you ever wondered why some purebred dogs come with a price tag higher than an international flight?

By Yara Simón

For residents of certain states, the absence of a state income tax can be a significant tax benefit. Instead of paying personal income tax rates to the state, individuals in these states only pay federal income tax on their taxable income.

By Mack Hayden

A clean couch makes your entire living space feel fresher, but upholstered furniture can trap dirt, dust and even pet hair over time. Whether you have a fabric sofa or leather couch, the right cleaning method can make all the difference.

By Yara Simón

9 of Pentacles tarot card symbolizes independence, financial success, and self-sufficiency. Discover how this card reflects personal achievement and luxurious living.

By HowStuffWorks

Fire safety is a growing concern for homeowners, particularly in fire-prone areas where dry conditions, high winds and combustible materials can quickly lead to disaster. Taking proactive measures to improve your home's fire resistance can help reduce the fire risk, protecting your family and property from potential damage.

By Mack Hayden