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Your search for "scientific theory" returned 559 results
Majestic 12
science.howstuffworks.com/space/aliens-ufos/majestic-12.htm
Majestic 12, or MJ-12, was a secret government research team. The team was tasked with investigating multiple UFO crash sites. Read more about the Majestic 12 letter to Jaime Shandera and the ensuing controversy.
How Dark Matter Works
science.howstuffworks.com/dictionary/astronomy-terms/dark-matter.htm
For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
How Motion Sickness Works
health.howstuffworks.com/mental-health/neurological-conditions/motion-sickness.htm
Although motion sickness is very common, scientists don't really know why we get it. Learn all about this condition at HowStuffWorks.
Interesting Science Facts Confirmed and Debunked
science.howstuffworks.com/science-vs-myth/everyday-myths/10-false-science-facts.htm
When reeling off dubious facts (like lemmings plunging off cliffs en masse), there's no better retort to a skeptical audience than calmly explaining that it's not just true - it's science...right?
Top 10 Doomsday Prophecies
science.howstuffworks.com/nature/natural-disasters/10-2012-doomsday-prophecies.htm
It seems like every few years someone comes out with a new doomsday prophecy. From aliens and asteroids to floods and earthquakes, how do people think the world will end?
Why Do We Scratch Our Heads When We're Thinking?
people.howstuffworks.com/why-do-scratch-heads-when-were-thinking.htm
Ever scratch your head when you're frustrated or thinking? HowStuffWorks found out how this tic became the signal for so many social expressions.
Does a hush really pass over a crowded room 20 minutes after the hour?
science.howstuffworks.com/science-vs-myth/everyday-myths/hush-crowded-room.htm
You're talking with a group of people when, with no apparent warning, everyone stops talking. Is it just an awkward silence or a pregnant pause? Or is this silence something more?
What do free radicals have to do with aging?
health.howstuffworks.com/wellness/aging/aging-process/free-radicals-aging.htm
Is there a connection between free radicals and aging? If so, how do we stop free radicals from destroying cells? Learn about free radicals and aging.
How Human Migration Works
science.howstuffworks.com/life/evolution/human-migration.htm
Human migration is the idea that humans developed in Africa and then spread to Europe and Asia. Learn about human migration and how human migration works.
Could Noah's ark really have happened?
history.howstuffworks.com/history-vs-myth/noahs-ark.htm
Is it possible that Noah's ark really existed? Find out more about Noah's ark and if a great flood was a reality.