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What is the universe made of?
science.howstuffworks.com/universe-made-of.htm
What is the universe made of? Is it made of atoms like everything found on Earth? Find out what the universe is made of in this article.
How Does a Thermocouple Work?
If your gas water heater keeps going out, or your gas oven won't heat, you may want to learn how to test the thermocouple on the gas valve. But how does a thermocouple work? Read this article to find out!
The Coldest Country in the World Is Below Freezing, on Average
science.howstuffworks.com/nature/climate-weather/atmospheric/coldest-country-in-the-world.htm
Over our long history, humans have managed to thrive in a wide range of climates, from the very hot to the very cold. The modern world is different in many ways from the ancient, but we still live pretty much all over, in places that are sweltering and places that are absolutely frigid.
7 Eye-catching Facts About the Bright Star Vega
science.howstuffworks.com/vega.htm
Even if you've never looked through a telescope, you've probably seen Vega, one of the brightest stars in our galaxy. In fact, thousands of years ago, Vega was our North Pole star, and will be again in the future.
Yes, Female Praying Mantises Do Eat Their Mates
animals.howstuffworks.com/insects/praying-mantis.htm
The praying mantis is a powerful predator, and not as robotic (or as romantic!) as it seems.
Call the Coconut Crab a Crustacean on Steroids
animals.howstuffworks.com/marine-life/coconut-crabs.htm
Coconut crabs are the world's largest land-dwelling arthropods. HowStuffWorks looks at these monstrous crustaceans that dwarf many other crabs and are native to the islands in the Pacific and Indian oceans.
Does Everyone Have the Ability to Become a Genius?
Sudden savant syndrome can make you a math whiz or musical prodigy overnight. HowStuffWorks talked to an expert to find out how it happens.
Sweden Is Great at Turning Trash to Energy
Sweden puts less than 1 percent of its household trash into landfills, in part because it burns nearly half to generate heat and electricity.
Can a sound wave kill you?
science.howstuffworks.com/can-sound-wave-kill.htm
A sound wave alone probably won't kill you. Crank the volume on a terrible song, though, and you just might annoy everyone to death.
Why Don't We All Use the Same Time Zone?
science.howstuffworks.com/environmental/earth/geophysics/time-zone.htm
The world has only had time zones since the late 1800s. Some people think we should eliminate them and have just one universal time instead.