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How Christmas Trees Work
people.howstuffworks.com/culture-traditions/holidays-christmas/christmas-tree.htm
It's time to unpack the ornaments, string up the popcorn, and yes -- untangle those lights. Plan on piling it all on a fresh Christmas tree? Learn about the different types and how to pick the perfect one.
Bear Dogs: Not a Polar Bear Crossbreed but Just as Tough
animals.howstuffworks.com/pets/bear-dogs.htm
They’re not part bear, but don’t tell them that. Bear dogs are bred to stand their ground against some of nature’s most formidable predators. Used to hunt bears, moose and other large game, these working dogs have grit, brains and an instinct for survival.
10 Disadvantages of Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-disadvantages-of-biofuels.htm
Biofuels are hot now, but integrating them into our fuel use habits could be costly. Read more about 10 disadvantages of biofuels.
Beach Activities for Kids
lifestyle.howstuffworks.com/crafts/seasonal/beach-activities.htm
Beach activities for kids provide fun in the sand and surf -- whether you're interested in science or sand castles. Try these beach activities for kids.
Algae: Pond Scum or Food of the Future?
science.howstuffworks.com/innovation/edible-innovations/algae-food-future.htm
Algae represents big money to some investors and could provide protein to help solve the problem of world hunger.
How Reverse Osmosis Works
science.howstuffworks.com/reverse-osmosis.htm
How does reverse osmosis work? Find out how a semipermeable membrane can act as a filter for some particles while letting others pass through.
The Ancient Mayfly Briefly Lives Only to Reproduce and DieÂ
animals.howstuffworks.com/insects/mayfly.htm
Mayflies have the shortest adult life span of any animal, but swarms of them can still be seen on weather radar.
The 3 Types of Ducks Every Birdwatcher Should Know
animals.howstuffworks.com/birds/types-of-ducks.htm
There are three types of ducks: dabbling, diving and perching. Wild ducks are classified based on their habitat and behavior.
What Do Lizards Eat in the Wild? What Should You Feed a Pet Lizard?
animals.howstuffworks.com/reptiles/what-do-lizards-eat.htm
If you're a fan of reptiles, you've probably asked yourself, what do lizards eat? With over 7,000 known lizard species on Earth, the answer isn’t one-size-fits-all. Some lizards eat only insects, others go for plant matter — and a few go full-on omnivore, chomping on both.
Nikola Tesla's Cat and Other Feline Fascinations
animals.howstuffworks.com/pets/teslas-cat-and-other-feline-fascinations.htm
If it wasn't for Nikola Tesla's cat, we might not have electricity. Part-Time Genius cohosts discuss this and other little-known cats in history.