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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.
Petrichor: What Causes the Earthy Smell After Rain?
science.howstuffworks.com/nature/climate-weather/atmospheric/question479.htm
There's often a strong, quite pleasant, smell right after a rain shower. What accounts for petrichor, the 'smell of rain'?
How Irrigation Works
home.howstuffworks.com/irrigation.htm
Irrigation provides water to plants. Learn how different types of irrigation work and examine the advantages and disadvantages of different types of irrigation.