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home chevrons-left email spinner8 facebook facebook2 instagram twitter youtube Health Science Home & Garden Auto Tech Culture Money Lifestyle Entertainment Adventure Animals Reviews Quizzes Podcasts More Money Lifestyle Entertainment Adventure Animals Reviews Quizzes Podcasts Search Terms Please enter terms to search for. Search Adventure Animals Auto Culture Entertainment Health Home & Garden Lifestyle Money Science Tech Reviews Quizzes Podcasts What's the Difference Between a Castle and a Palace? Castles and palaces may seem the same, in their grandiose architecture and palatial structure. But the two buildings were constructed by monarchs for different purposes. by Kristen Hall-Geisler Mar 10 2020 Learn More How King Tut Became a Pharaonic Rock Star Only After Death Egyptian pharaoh Tutankhamun didn't make much of an impression in his time on Earth, even while he was king. But in the afterlife King Tut rules. by John Donovan Mar 10 2020 Learn More Artificial Intelligence Discovers Antibiotic in Record Time Machine learning, or artificial intelligence, might just save us from bacterial infections in the future. by Jesslyn Shields Mar 10 2020 Learn More How These Hot-pink Slugs Outlasted the Australian Brush Fires Proactive sluggishness, along with the ability to squeeze into tight spaces, keeps these slugs safe from predators like birds, toads and, well, fires. by Katie Carman Learn More Oil Diffusers Make Your House Smell Great, but Are They Safe? Burning some essential oils around your home may make it smell really nice. But could there be some side effects you should be worried about? by Alia Hoyt Learn More Previous Next Advertisement 7 Hot Facts About the Pacific Ring of Fire The Pacific's Ring of Fire is a 25,000 mile long "ring" that's home to 75 percent of all the world's volcanic activity and 90 percent of the planet's earthquakes. So what makes this area so active? By Mark Mancini Why do Americans Sell Soda by the Liter but Milk by the Gallon? Although it's often said that Americans will never get used to the metric system, the popularity of the 2-liter soda bottle flies in the face of that logic. So why is soda sold like that, while other products like milk aren't? By Nathan Chandler Advertisement Editor's Picks Why were so many prehistoric animals so big? How Student Loans Work Sea Cucumber: Animal or Vegetable? Why did Lady Godiva take a naked horse ride? Should you turn your heat down when you're not home? Quiz: What's the difference between flu and a cold? Advertisement Advertisement PUZZLES Try a free puzzle based on our content. How fast can you solve it? Science Geoengineering: 5 Ways Science Wants To Alter the Climate Mars Has a Magnetosphere Problem. Inflatables Could Help We're Now One Step Closer to a Gravitational Wave Space Observatory Animals Sea Slugs Go Solar by Stealing From Algae Newly Discovered Desert Bee Species Are Curiously Ant-like Sea Spiders Breathe Through Pores in Their Legs Health The Science Behind the Pollen Count Fetal Lambs in 'Biobags' Show Promise for Artificial Human Wombs Everything You've Read About Vitamin D Is Wrong Why Do We Say That? Why Do We Say 'Holy Cow'? Why Is New York City Called the 'Big Apple'? Why Is Missouri Called the Show-me State? Why Is Chuck the Short for Charles and Bill the Short for William? Advertisement Get the HowStuffWorks Newsletter! Stay up to date with HowStuffWorks via email. Newsletter Policy & Terms Advertisement Say What?! These days it doesn't take a slovenly scientist to discover important new antibiotics — it just takes a computer. Explore more in Artificial Intelligence Discovers Antibiotic in Record Time Advertisement Advertisement About Podcasts Privacy Policy Ad Choices Terms Careers Contact Us Help Reprints Do Not Sell My Info Newsletter Get the best of HowStuffWorks by email! Keep up to date on: Latest Buzz · Stuff Shows & Podcasts · Tours · Weird & Wacky Sign Up Copyright © 2020 HowStuffWorks, a division of InfoSpace Holdings, LLC , a System1 Company...