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The Great Planetary Conjunction of 2020
science.howstuffworks.com/great-conjunction.htm
In 2020, Jupiter and Saturn aligned so closely that, from Earth, they looked like they were practically touching. The last time we saw this was in 1226.
PEMDAS: Remembering Math's Order of Operations
science.howstuffworks.com/math-concepts/PEMDAS.htm
A simple math problem may seem to some of us like an inscrutable pile of numbers and symbols, just waiting to trip us up. PEMDAS to the rescue!
The Truth Behind the Rogue Planet Nibiru
science.howstuffworks.com/nibiru.htm
The idea of planet Nibiru, sometimes dubbed Planet X, has captivated doomsday prophets and conspiracy theorists for decades.
From Military to Mainstream: The Evolution of the AR-15
science.howstuffworks.com/from-military-to-mainstream-evolution-of-AR-15.htm
The ArmaLite AR-15 rifle has become a hot-button issue in the American landscape. Where did the rifle originate and how did it become so controversial?
Pluto: Is It a Planet After All?
science.howstuffworks.com/pluto-is-it-planet-after-all.htm
Back in 2006, the International Astronomical Union decided to demote Pluto to the status of a dwarf planet. A historical study challenges that designation.
Why Photosynthesis is Important
science.howstuffworks.com/science-vs-myth/what-if/what-if-photosynthesis-stopped.htm
Remember learning about photosynthesis when you were a kid? Let's pretend for a moment that this vital process could somehow permanently stop. How tough would it be to continue to live on this Earth?
What if sea levels rose 12 inches?
science.howstuffworks.com/science-vs-myth/what-if/what-if-sea-levels-rose-12-inches.htm
Figuring out how to deal with rising sea levels isn't some kind of purely academic exercise. It's happening. So how do we deal with it, especially if the sea rises a foot in our lifetime?
Reflexology: Bogus, Beneficial or a Bit of Both?
health.howstuffworks.com/wellness/spa-health/reflexology.htm
The ancient art of reflexology focuses on pressure points exclusively on hands and feet. HowStuffWorks looks at whether it really relieves stress.
Who Watches Neighborhood Watch Programs?
people.howstuffworks.com/neighborhood-watch-programs.htm
The National Neighborhood Watch Program was originally established in 1972. HowStuffWorks looks at the purposes and evolution of the program.
Man-made Islands Are More Common Than You Think
science.howstuffworks.com/engineering/structural/man-made-islands.htm
Man has been building islands all over the world for centuries using extraordinary feats of engineering. But at what cost to the environment?