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Battle of the Best Sonar: 'Team Dolphin' vs. 'Team Bat'
animals.howstuffworks.com/mammals/battle-best-sonar-team-dolphin-or-team-bat.htm
Do dolphins or bats have better sonar? That question has led to some playful ribbing among scientists. HowStuffWorks wanted to find out, too.
Is hydrogen fuel dangerous?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/dangerous-hydrogen-fuel.htm
Hydrogen fuel is an attractive alternative fuel source. Learn about hydrogen fuel and the dangers of the element, including the Hindenburg disaster story.
How Caffeine Works
science.howstuffworks.com/caffeine.htm
Caffeine is one of the most commonly-used drugs -- 90% of Americans use it. Learn why caffeine is America's most popular drug and what it does to your body.
Top 10 Foods for Beautiful Skin
health.howstuffworks.com/skin-care/information/nutrition/top-10-foods-for-beautiful-skin.htm
There are many foods for beautiful skin but these 10 are some of the best. Learn about foods for beautiful skin and the beautiful-skin diet.
Giant Squid, Giant Eyes ... But Relatively Small Optic Lobe
animals.howstuffworks.com/marine-life/giant-squid-eyes-brain-small-optic-lobe.htm
A new study examines the optic lobes of giant squids. Read this HowStuffWorks article to learn about giant squid eyes and brains.
15 Largest Cities in Spain, Ranked by Population
people.howstuffworks.com/largest-cities-in-spain.htm
Spain — the fourth-largest European country by area with a population of about 47.3 million — is home to some of the continent's most vibrant cities.
Do you need to take a pet greyhound on runs?
animals.howstuffworks.com/pets/do-i-need-to-take-pet-greyhound-on-runs.htm
Greyhound's have superior speed, but they're lazier than you think. Learn if you need to take your pet greyhound on runs at HowStuffWorks.
Can someone own the moon?
science.howstuffworks.com/own-the-moon.htm
Can someone own the moon? Learn all about real estate on the moon what it takes to get your own lunar property.
Lipozene: What You Need to Know
health.howstuffworks.com/medicine/medication/lipozene.htm
Lipozene is a popular weight loss medication. Learn more about Lipozene at HowStuffWorks.
How Forensic Dentistry Works
science.howstuffworks.com/forensic-dentistry.htm
Forensic dentistry, also known as forensic odontology, is a way of identifying people by their teeth. Forensic dentistry encompasses bite-mark analysis.