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Does Flat Beer Lose Its Alcohol Content?

science.howstuffworks.com/innovation/edible-innovations/flat-beer-alcohol-content.htm

The age of a beer can dramatically influence its flavor, and usually not for the better. But what about its alcohol content? Does a decade-old barley pop still pack the same wallop as one bottled the week before?

The Truth About DHEA

health.howstuffworks.com/human-body/systems/endocrine/dhea.htm

DHEA has a growing reputation as an anti-aging supplement among vitamin users and doctors. Learn about the risks, benefits and controversy of DHEA.

How fluid is gender?

people.howstuffworks.com/fluid-gender.htm

How fluid is gender, or is there a need to fulfill gender roles in society? Learn about the fluidity of gender in this article from HowStuffWorks.

Ankylosaurus: A Tank-like Herbivore With a Killer Club Tail

animals.howstuffworks.com/dinosaurs/ankylosaurus.htm

Ankylosaurus was a dinosaur with short, squat legs that allowed it to run at about 6 miles per hour - fast, but not fast enough to outrun a large carnivorous predator like Tyrannosaurus rex.

How do trees affect the weather?

science.howstuffworks.com/nature/climate-weather/storms/trees-affect-weather.htm

How do trees affect the weather? Learn how trees can influence not only the five-day forecast, but global climate patterns and global warming.

How has NASA helped improve our air and water?

science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-air-and-water.htm

How has NASA helped improve our air and water? Visit HowStuffWorks to see how NASA has helped improve our air and water.

What is the energy source of the future?

science.howstuffworks.com/environmental/energy/energy-source-future.htm

What is the energy source of the future? Learn more about the energy source of the future in this article.

The Desert-dwelling Gobi Bear the Rarest Brown Bear

animals.howstuffworks.com/endangered-species/gobi-bear.htm

The Gobi bear, scientifically known as Ursus arctos gobiensis, is a brown bear subspecies found exclusively in Mongolia's Gobi Desert. Also referred to as the Mazaalai in Mongolian, this unique bear is categorized as "critically endangered" by the International Union for Conservation of Nature (IUCN) Bear Specialist Group the Mongolian Red Book of threatened species.

What's the Difference Between a Cave and a Cavern?

science.howstuffworks.com/environmental/earth/geology/cave-cavern-difference.htm

One term might give you the impression of something grand and mysterious, while the other makes you think of claustrophobia-inducing environs that threaten human life. But what's the real difference?

Why Don't You Ever See Square Vegetables?

science.howstuffworks.com/life/genetic/close-are-to-growing-square-tomato.htm

At least not in nature. Scientists have discovered the two gene families that play key roles in making fruits and vegetables either round or long. Could a square fruit be on the horizon?

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