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What Is White Noise?
science.howstuffworks.com/what-is-white-noise.htm
What is white noise? There's a little more to it than the ambient noise you associate with a humming air conditioner or whirring fan.
Is it rude to use your phone at the table?
people.howstuffworks.com/is-it-rude-to-use-phone-at-table.htm
You've spent hours cooking dinner for this party, and now everyone's texting? Learn why using your phone at the dinner table is rude at HowStuffWorks.
VO2 Max
health.howstuffworks.com/wellness/diet-fitness/information/vo2-max.htm
VO2 max is the amount of oxygen your body can use, per kilogram of body weight, per minute. Learn about determining VO2 max.
Could You Really Outrun a Tyrannosaurus Rex?
animals.howstuffworks.com/dinosaurs/outrun-tyrannosaurus-rex.htm
OK, hop in your time machine, find a T. rex and challenge it to a race. Who'd win? Find out if you could outrun a Tyrannosaurus rex at HowStuffWorks.
Why is scary music scary?
entertainment.howstuffworks.com/why-scary-music.htm
You know it when you hear it: shrieking noises, dissonant chords, unexpected high notes. HowStuffWorks explains what makes scary music scary.
What Is the Mohorovicic Discontinuity and Can Humans Ever Reach It?
science.howstuffworks.com/environmental/earth/geophysics/mohorovicic-discontinuity.htm
This seismic boundary lies within Earth between the bottom of crust and the uppermost mantle. But nobody has ever dug down deep enough to confirm it exists. So does it?
How Many Millionaires Are in the U.S.? More Than Any Other Country
money.howstuffworks.com/personal-finance/financial-planning/how-many-millionaires-in-the-us.htm
As of 2024, the number of millionaires in the U.S. was around 23.8 million. That means roughly 1 in 15 people in the U.S. has a net worth of at least seven figures. This number includes not just tycoons but also people who have slowly built wealth through investing, homeownership, and disciplined saving.
Understanding Pregnancy Symptoms
Pregnancy symptoms include changes to your reproductive and digestive system, your blood and metabolism. Read about understanding pregnancy symptoms.
How Ghosts Work
science.howstuffworks.com/science-vs-myth/afterlife/ghost.htm
Ghosts are the spirits of dead people that have either returned from the afterlife, or not moved on to it. Learn about ghosts and explanations for ghosts.
Top 5 Things You Should Know (But Don't) about Mitral Valve Prolapse
Mitral valve prolapse can lead to blood leaking in the heart where it's not supposed to. Learn what you need to know about mitral valve prolapse.