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Why Does the Skin on My Knuckles Crack and Bleed in Winter?
health.howstuffworks.com/wellness/spa-health/knuckles-crack-and-bleed-in-the-winter.htm
During every other season, your hands are fine, but as soon as winter comes, those knuckles just dry up and break open. Why is that?
How Telephones Work
www.howstuffworks.com/telephone.htm
Telephones are one of the most important and useful modern inventions. Learn about telephone operation, creating a telephone network and tones and bandwidth.
Has Earth reached its carrying capacity?
science.howstuffworks.com/environmental/green-science/earth-carrying-capacity.htm
Carrying capacity is the idea that sustainability requires balance. Learn about carrying capacity and human population.
Electrolytes 101
health.howstuffworks.com/wellness/diet-fitness/information/electrolyte.htm
Electrolytes are formed by mineral salts and are dissolved by the fluids in our bodies. Read more about electrolytes and mineral salts.
How Tire Pressure Gauges Work
auto.howstuffworks.com/pressure-gauge.htm
If you have a car, chances are you also have a tire-pressure gauge. Learn how this pen-sized device measures air pressure and why the little stick inside doesn't just fly right out the back!
Dealing With a Lack of Bonding in Older Children
Dealing with a lack of bonding in older children can be difficult. Visit HowStuffWorks Family to learn about dealing with a lack of bonding in older children.
Who Does — and Doesn't — Get Featured on Blue Highway Exit Signs?
auto.howstuffworks.com/tech-transport/who-featured-blue-highway-exit-signs.htm
Not every business can get one of the coveted six spots on your typical 'gas, food lodging' highway sign. Competition can be stiff, so here's how it works.
What's the Difference Between Global Warming and Climate Change?
Global warming and climate change are terms often treated like synonyms, but they have different meanings. We'll explain the difference and why both are so important to know.
Should Everyone Get a Monkeypox Vaccine?
health.howstuffworks.com/wellness/preventive-care/monkeypox-vaccine-news.htm
We talked to a virologist, who answers six questions about how the monkeypox vaccines work, who can get them and how well they prevent infection.