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Your search for "category environments" returned 393 results
Do Sharks Lay Eggs? Surprisingly Not a 'Yes or No' Question
animals.howstuffworks.com/fish/sharks/do-sharks-lay-eggs.htm
You’ve probably heard of shark attacks and shark teeth, but here’s something lesser known and just as intriguing: Do sharks lay eggs? The answer is: it depends on the shark species.
Plastic Numbers: Breaking Down Recycling Codes
science.howstuffworks.com/environmental/green-tech/sustainable/question217.htm
There are seven different numbers you might see on a plastic container. And each number has its own meaning.
What % Smart Are You?
play.howstuffworks.com/quiz/what-smart-are-you
"Stupid is as stupid does," but do your actions reflect how brilliant you truly are? We've got a thorough assessment designed to reveal whether we're dealing with the next Einstein or a cast member on "Dumb and Dumber."
How Cave Biology Works
science.howstuffworks.com/life/biology-fields/cave-biology.htm
Cave biology is the study of the animal specimens that live and evolve in caves. Learn about cave biology and cave animals in this article.
Can't Open That Childproof Bottle? Ask an Amazing Octopus
animals.howstuffworks.com/marine-life/cant-open-that-childproof-bottle-ask-an-amazing-octopus.htm
Octopuses are amazingly intelligent animals with nine brains. Learn more about octopus intelligence at HowStuffWorks Now.
What makes a killer?
people.howstuffworks.com/what-makes-a-killer.htm
A killer is someone who finds it easy to take the life of someone else. Find out what makes a killer in this article from HowStuffWorks.
Why 'Poop' and 'Wiggle' Are Funny Words, According to Science
people.howstuffworks.com/why-poop-and-wiggle-are-funny-words-according-to-science.htm
HowStuffWorks looks at a study where scientists parsed nearly 5,000 words to find which ones people thought were funniest and why.
Scrub Your Face with Baking Soda
health.howstuffworks.com/wellness/spa-health/scrub-face-with-baking-soda.htm
Exfoliate your skin and, possibly, reduce your acne.
Top 10 Green Heating and Cooling Technologies
Compared to standard heating and air systems, going green is better for the environment -- and your wallet because they use less energy. So what kind of green HVAC systems are on the market today? Read on to find out.
How long can a germ live in a room?
health.howstuffworks.com/diseases-conditions/infectious/question235.htm
How long can a germ live in a room? My son had a friend over, and the friend was coughing all over the house. How long can his germs infect people?