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How the Environment Has Changed Since the First Earth Day 51 Years Ago
It's been 51 years since the first Earth Day, and while progress has been made in some areas, humanity still has had a major impact on the planet.
How Universal Messaging Works
computer.howstuffworks.com/e-mail-messaging/universal-messaging.htm
Universal messaging makes it easy to access your email, voicemail, and fax in one place. Learn how universal messaging works at HowStuffWorks.
Why Is It So Hard to Make a Universal Flu Vaccine?
health.howstuffworks.com/wellness/preventive-care/universal-flu-vaccine.htm
Every year, a version of the flu vaccine must be developed, to compensate for the changes in the flu virus the year before. Will that ever end?
Can My Smartphone Be Used as a TV Remote?
electronics.howstuffworks.com/cell-phone-apps/phone-universal-remote.htm
Smartphones can do just about anything these days. But how can we use them to control our televisions?
The Messy Legacy of the Columbus Day Holiday
people.howstuffworks.com/culture-traditions/holidays-other/columbus-day.htm
As more states are swapping Columbus Day celebrations for Indigenous Peoples' Day observances, does Columbus Day still have any relevance?
Memorial Day in the U.S. Means Way More Than Barbecue
people.howstuffworks.com/culture-traditions/holidays-other/memorial-day.htm
Today Americans mostly celebrate it as the start of summer. But the annual May holiday has a significant history that's worthy of acknowledgment.
How Day Trading Works
money.howstuffworks.com/day-trading.htm
Day trading is buying and selling securities in the same day. Day traders take advantage of small price shifts. Learn about day trading.
How the Five Day Weekend Works
money.howstuffworks.com/five-day-weekend.htm
The Five Day Weekend is a clever marketing campaign that is meant to bring tourism to Asheville, NC. Learn more about the Five Day Weekend concept.
How does a NASCAR track physically change during a race?
auto.howstuffworks.com/auto-racing/nascar/race-tracks/nascar-track-change.htm
How does a NASCAR track physically change during a race? It changes from a solid track to a near-liquid form. Learn about how a NASCAR track changes.
What Is Saliva and How Does It Change the Taste of Food?
health.howstuffworks.com/human-body/systems/digestive/saliva-change-food.htm
Saliva is not exactly the most appetizing of subjects, but it plays an important role in everything from how food tastes to how it is digested.