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Your search for "twenty" returned 446 results
The Aging Process
health.howstuffworks.com/wellness/aging/aging-process/aging.htm
Knowing how and why your body changes with age can help you prevent certain conditions and slow down the aging process. Learn about the aging process here.
How Nostradamus Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/nostradamus.htm
Nostradamus is said to have predicted the rises of Napoleon and Hitler, the destruction of the World Trade Center and even the COVID-19 pandemic. But was this 15th-century astrologer really that smart?
How Online Degrees Work
money.howstuffworks.com/personal-finance/college-planning/admissions/online-degree.htm
Online degrees allow busy people to continue their education. Find out what employers think of online degrees and how to evaluate online degree programs.
How Airlines Work
science.howstuffworks.com/transport/flight/modern/airline.htm
How did the guy in the next seat pay less for a ticket than you did? Explore how airlines work, how ticket prices are set and more.
Egg Donation Overview
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/egg-donation.htm
Egg donation is one option for women or couples with fertility problems. Learn about egg donation and find out what it takes to be an egg donor.
Can You Really Escape an Alligator if You Run in a Zigzag?
animals.howstuffworks.com/reptiles/alligator-zigzag.htm
You've heard this advice a million times, and perhaps it even brings you comfort when you're in gator territory. But is it really true?
What would nuclear winter be like?
science.howstuffworks.com/nuclear-winter.htm
If the sight of a mushroom cloud burning above the horizon suggests that the nuclear weapon-equipped world might end with a bang, then nuclear winter presents the notion that post-World War III humanity might very well die with a whimper.
How Meteorology Works
science.howstuffworks.com/nature/climate-weather/storms/meteorology.htm
Meteorology is the study of the atmosphere and the myriad phenomena that keep it in moving. Learn how far meteorology has come over the years.
How Airbags Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/airbag.htm
Do airbags reduce the risk of injury in crashes? Learn about airbags and see the Mythbusters test airbag explosions in a video from Discovery Channel.
How to Make International Calls
electronics.howstuffworks.com/how-to-make-international-calls.htm
Making international calls can be confusing if you don't have the right information. Learn about making international calls at HowStuffWorks.