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Why does Alka Seltzer fizz?
science.howstuffworks.com/innovation/science-questions/question116.htm
Yesterday you talked about hydrogen peroxide, and the day before you talked about Pop Rocks candy. Since we are talking about things that fizz, what about Alka Seltzer? How does it work and why does it fizz?
How Kaleidoscopes Work
science.howstuffworks.com/kaleidoscope.htm
Kaleidoscopes have been fascinating people since the early 19th century. Whether you think of kaleidoscopes as toys or as works of art, no matter how often you look inside, you'll never see the same thing twice.
Do You Main Tank, Support or DPS in Overwatch?
play.howstuffworks.com/quiz/do-you-main-tank-support-or-dps-in-overwatch
ICYMI: "Overwatch" is out on the Nintendo Switch. Omg, we haven't been this excited since we finally beat computer-Bowser in "Mario Kart". Take our quiz to reveal what your personality says you main in "Overwatch"!
Mennonite vs. Amish Communities, Values and Beliefs
people.howstuffworks.com/mennonite-vs-amish.htm
The Mennonite vs. Amish distinction is difficult to pinpoint for most outsiders since they both represent some of the most conservative groups in the modern world. Although closely related in traditional dress and customs, there are several notable differences once you dig a bit deeper.
How the F15 Works
science.howstuffworks.com/f-15.htm
Floats like a butterfly and stings like a bee -- the F-15 is the Muhammad Ali of the skies. The military has been using this fighter jet since the '70s, and it still outmaneuvers the competition. Find out why this plane has a perfect combat record.
Can You Recognize Every Letter of the Alphabet in Cursive?
play.howstuffworks.com/quiz/can-you-recognize-every-letter-of-the-alphabet-in-cursive
Has it been so long since you've seen cursive that you've lost your touch? Take a look at these letters and see if you remember what they are! Will you know as many as you would have known in elementary school?
Which BTS Member is Your Soulmate?
play.howstuffworks.com/quiz/which-bts-member-is-your-soulmate
BTS or Bangtan Boys have been in the music industry since 2013. The group of seven boys from Seoul, South Korea have been tearing up the charts around the world and have millions of fans. Which member would be your soulmate?
Can You Pass This High School U.S. History Test Without Googling?
play.howstuffworks.com/quiz/can-you-pass-this-high-school-us-history-test-googling
Since earning its independence from Britain in the American Revolution, the United States has been a part of - and made - many big moments in history. Do you think you could pass this high-school level U.S. history quiz?
How does public transportation help the environment?
science.howstuffworks.com/transport/engines-equipment/public-transportation-help-environment.htm
In January 2004, the citizens of Milan, Italy, were preparing for a strike that would shut down all public transportation. Since an estimated 28 percent of greater Milan's 3 million populace relied heavily on public transit, the strike meant gridlock for most of the city.
How Close Can We Get to the Sun?
science.howstuffworks.com/how-close-can-get-to-sun.htm
Since it launched Aug. 12, 2018, NASA's Parker Solar Probe has made 11 of the 24 planned approaches with the sun, analyzing the massive star's solar wind and magnetic fields. But just how close will it get to our solar system's massive star?