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Your search for "thomas penn" returned 32 results
Why do 17-year cicadas come out more often than every 17 years?
animals.howstuffworks.com/insects/why-17-year-cicadas-come-more-than-17-years.htm
Why do 17-year cicadas come out more often than every 17 years? Learn why 17-year cicadas come out more often than every 17 years at HowStuffWorks.
Who Invented the Light Bulb? It Wasn't Just Edison
science.howstuffworks.com/innovation/famous-inventors/who-invented-light-bulb.htm
The light bulb literally brightened the whole world and Thomas Edison generally gets the credit for inventing it. But did he?
What You Need to Know About Caulking and Health
health.howstuffworks.com/wellness/preventive-care/caulking-health-home-concerns.htm
Caulk is good for your home, except when it's bad. Learn more about caulking and health.
How to Start a Non-Profit Organization
money.howstuffworks.com/economics/volunteer/starting-a-charity/start-a-non-profit-organization.htm
Do you know how to start a non-profit organization? Visit HowStuffWorks to learn how to start a non-profit organization.
How did Nikola Tesla change the way we use energy?
science.howstuffworks.com/nikola-tesla.htm
Who made it possible to light up your home at night? Thomas Edison, right? Yes, but without the work of Nikola Tesla, we would be living in a different world.
11 Inventions That Changed the World as We Know It
science.howstuffworks.com/innovation/inventions/5-funny-inventions-that-changed-the-world.htm
Inventing a useful product or process is serious business - turn a great idea into a marketable widget, and you could earn millions of dollars. But that doesn't mean your widget has to be straitlaced and conservative.
Supply Chain 101: What Happens When Our Food Supply Is Disrupted by a Pandemic?
money.howstuffworks.com/food-supply-chain-pandemic.htm
The U.S. food supply chain has been rocked by the coronavirus pandemic, but so far, it's still functioning. How long will that last?
Do You Remember Who Played These "Friends" Guest Roles?
play.howstuffworks.com/quiz/do-you-remember-who-played-these-friends-guest-roles
Are you ready for the ultimate "Friends" challenge? It's the one with all the guest stars! Let's see how sharp you are when it comes to the show's most memorable celebrity appearances. Can you guess them all?
How Social Security Tax Works
money.howstuffworks.com/personal-finance/personal-income-taxes/social-security-taxes.htm
Social security taxes are somewhat complicated. Learn about how social security taxes work at HowStuffWorks.
Ridiculous History: Bears, Raccoons — and Alligators? — in the White House
Rebecca the Raccoon. Josiah the Badger. Many U.S. presidents have had pets, but they haven't all been cats and dogs. Learn more at HowStuffWorks Now.