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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 the Machine Gun Revolutionized Warfare

science.howstuffworks.com/machine-gun.htm

The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.

Pistol Shrimp: The Fastest Gun in the Sea

animals.howstuffworks.com/marine-life/pistol-shrimp.htm

The pistol shrimp is feared in the ocean for its ability to hit a prey with air bubbles that travel 82 feet per second, pop at 218 decibels and deliver 8,000 degrees Fahrenheit of heat.

How Spud Guns Work

home.howstuffworks.com/spud-gun.htm

A spud gun can hurl potatoes hundreds of feet at close to 400 miles per hour. But why is this staple of the dinner table such a popular projectile? Learn the science of spud guns and how they can be customized.

How much does the hCG diet cost?

health.howstuffworks.com/wellness/diet-fitness/diets/hcg-diet-cost.htm

The hCG diet costs around $150 per doctor's appointment, not including the cost of the hCG injections and the recommended appetite suppressants. Learn how much the hCG diet costs in this article.

How Gasoline Works

science.howstuffworks.com/gasoline.htm

Without gasoline, the world as we know it would grind to a screeching halt. The U.S. alone consumes well over a hundred billion gallons of gasoline per year. Learn all about this vital fuel.

How do they superimpose the first-down line onto the field on televised football games?

entertainment.howstuffworks.com/question225.htm

When a football game is on television, how do the broadcast stations superimpose the first-down line across the TV screen without it appearing on the uniforms of the players?

How Plasma Rockets Work

science.howstuffworks.com/plasma-rockets.htm

Imagine if we could get to Mars in 40 days instead of seven months! It could happen if we used plasma rockets, which travel at 34 miles per second. But how do we make this a reality?

Would you pay $55 for bottled water?

money.howstuffworks.com/bling-water.htm

Bling H2O is a brand of luxury bottled water that costs over 50 dollars per bottle. Learn about Bling H2O and find out why Bling H2O is so expensive.

How many calories does a person need daily?

health.howstuffworks.com/wellness/food-nutrition/facts/question457.htm

Daily calorie needs vary significantly from person to person. Learn how to calculate the number that’s right for your body.

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