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Your search for "contain" returned 6,061 results
How Do Geiger Counters Work?
science.howstuffworks.com/geiger-counter.htm
First developed in the 1920s, Geiger counters still use the same basic technology to detect radiation, but today can be the size of a smartphone.
Why Ice Usually Freezes Cloudy, Not Clear
Ice cubes usually look cloudy and opaque in the middle, despite the fact that water is clear. What's the deal?
Is Earth the Only Planet With Tectonic Plates?
science.howstuffworks.com/is-earth-only-planet-with-tectonic-plates.htm
Some scientists think plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth? HowStuffWorks finds out.
Chronic Sinus Congestion
health.howstuffworks.com/diseases-conditions/respiratory/chronic-sinus-congestion.htm
Chronic sinus congestion can involve frequent and severe flare-ups, inhibiting normal daily life. Learn about chronic sinus congestion.
Benefits of Lycopene
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/lycopene.htm
Lycopene is commonly found in red fruits and vegetables. Learn about the many health benefits of lycopene.
Sagrada Familia Basilica Is Almost Finished, After 140 Years
science.howstuffworks.com/engineering/architecture/sagrada-familia.htm
Started in 1882, this beautifully ornate church was the vision of architect Antoni Gaudà who conceived of it as a "forest in stone."
How the Ancient Land Blob Gondwana Became Today's Continents
science.howstuffworks.com/environmental/earth/geology/gondwana.htm
Gondwana was a humongous landmass that persisted for 300 million years before it began to break up, forming all the continents in the modern Southern Hemisphere.
Delightful Daffodils Are Super Easy to Grow. Here's How
science.howstuffworks.com/life/botany/daffodils.htm
Requiring little care and upkeep, daffodils are bright, showy perennials that symbolize rebirth and new beginnings.
How Much Do You Know About Botany?
play.howstuffworks.com/quiz/how-much-do-you-know-botany
The science of plants is amazing in its complexity - and its simplicity as well! In this quiz, we'll discover some obvious and not so obvious facts about the plants that surround us on this beautiful planet! When you're done, you'll be inspired to start a garden, plants a tree or just stare at nature in a daze.
8 Tips for Solving That Crazy Hard Jigsaw Puzzle
entertainment.howstuffworks.com/puzzles/jigsaw-puzzle-tips.htm
Jigsaw puzzles are fun to solve, but can be frustrating, too. Here are some tips to help you finish those difficult puzzles with ease.