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How Do Jellyfish Eat Without Teeth?
animals.howstuffworks.com/marine-life/how-do-jellyfish-eat.htm
They have no brains, no bones, and no backstories. Yet somehow, jellyfish are among the ocean's most successful survivors. So, how do jellyfish eat? The answer is all about stings, tentacles, and some very sneaky arms.
The Youngest Olympian Was an Unnamed 7-Year-Old
entertainment.howstuffworks.com/youngest-olympian.htm
While the name of the youngest Olympian ever remains a mystery (more on that in a moment), there's still a long record of extremely young athletes who have managed to qualify, compete, and even win medals at the Olympic Games.
Magnesium Glycinate vs. Citrate Vitamin Supplements
Magnesium glycinate and magnesium citrate are two similar sounding but distinct chemical compounds that can have differing effects on the human body when consumed orally. Both may also be effective at treating magnesium deficiency.
Why are objects in the side-view mirror closer than they appear?
"Objects in mirror are closer than they appear." That little line appears so often and in so many contexts, it's almost lost all meaning -- but why is it there, and what does physics have to do with it?
What Was So Terrible About Ivan the Terrible?
history.howstuffworks.com/history-vs-myth/ivan-terrible.htm
Ivan the Terrible's sobriquet may have been due to a mistranslation but he sure lived up to it, torturing and killing his many enemies. Still, he didn't start out so evil.
What exactly is a blueprint?
science.howstuffworks.com/engineering/architecture/question321.htm
If you've ever seen a construction site, you may have noticed that the general plans for construction are drawn out in the form of blueprints. What exactly are blueprints, though, and how are they made? Find out in this article.
What Is a Group of Crabs Called? A Scuttle, a Clamor, a Cast?
animals.howstuffworks.com/marine-life/what-is-a-group-of-crabs-called.htm
Crabs scuttle along the ocean floor, dig in the sand and wave their claws during territorial standoffs. But what is a group of crabs called? These quirky, armored creatures actually have more than one collective noun.
What Causes Seasons? Earth's Tilt and Orbit
science.howstuffworks.com/nature/climate-weather/atmospheric/question165.htm
What causes the seasons? Why are the seasons reversed in the Northern and Southern Hemispheres? And if the Earth moves in an elliptical orbit around the Sun, why don't we have two summers and two winters every year?
10 Crackpot Theories About Space
science.howstuffworks.com/10-crackpot-theories-space.htm
Our knowledge of space changes all the time as new discoveries are made. But some ideas about the universe have never really held water - including the one that everything is made of frozen H2O.
How a Weather Balloon Works?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/weather-balloon.htm
Have you ever wondered how weather stations gather all of their data? Even though technology for predicting the weather has improved, simple weather balloons do a lot of the hard work every day.