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How Sharks Work

animals.howstuffworks.com/fish/sharks/shark.htm

Sharks are one of the most sophisticated and enduring creatures. Learn about shark movement, shark senses, shark teeth, the daily life of sharks and threats to sharks.

10 Foodborne Illnesses That Will Make You Wish You Were Dead

health.howstuffworks.com/food-nutrition/10-foodborne-illnesses-that-will-make-you-wish-you-were-dead.htm

Many uncomfortable -- and potentially fatal -- foodborne illnesses come from the food we eat. Learn about 10 foodborne illnesses you don't want to get.

How Wave Pools Work

science.howstuffworks.com/engineering/structural/wave-pool.htm

When the heat sets in, there's nothing like a day at the water park to cool things down -- water parks and their massive wave pools are a huge weekend attraction. Ever wonder what kind of machinery it takes to produce a wave? Learn exactly how an oce

Are Natural Sea Sponges Good For Your Skin?

health.howstuffworks.com/skin-care/cleansing/basics/natural-sea-sponges-good-for-skin.htm

Are natural sea sponges good for my skin? Find out if natural sea sponges are good for skin at HowStuffWorks.

How could a cat scuba dive?

animals.howstuffworks.com/pets/scuba-cat.htm

Scuba Cat is a conundrum: a cat that likes water -- and scuba diving. How could a cat scuba dive? Find out more.

5 Unusual Aquatic Deaths

health.howstuffworks.com/diseases-conditions/death-dying/5-unusual-aquatic-deaths.htm

Aquatic deaths do happen, and water can kill you in unusual ways. See these five real-life stories of unusual aquatic deaths to learn more.

We'll Give You Two Animals, You Tell Us Which Is the Predator and Which Is the Prey

play.howstuffworks.com/quiz/well-give-you-two-animals-you-tell-us-which-is-the-predator-and-which-is-the-prey

What happens when a black mamba faces off with a bird? What if a lion meets a crocodile? Predators can become prey, and prey can become predators in the blink of an eye. If we give you two animals, can you tell us which is which?

Can You Name All 40 of These Animals?

play.howstuffworks.com/quiz/can-you-name-all-40-of-these-animals

Let's forget about the domestic dog breeds and house cats of the world, and check out what the animal kingdom has to offer. Will you be able to identify all 40 of these interesting creatures, or will you have to look them up?

Can You Name the Countries for These Mostly Green Flags?

play.howstuffworks.com/quiz/can-you-name-the-countries-for-these-mostly-green-flags

The stars and stripes. The maple leaf. The red ensign. The gold and green. Every country has a flag and every flag has a meaning. Do you think you can ID all these countries that have green flags? Run this quiz up the flagpole, and see who salutes!

How Underwater Sound Systems Work

electronics.howstuffworks.com/gadgets/audio-music/underwater-sound-systems.htm

n underwater sound system could get you doing the electric boogaloo on land and in water. Learn how underwater sound systems work.

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