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Why Didn't Evolution Give Us the Ability to Smell Fresh Water?
science.howstuffworks.com/life/evolution/humans-smell-fresh-water-evolution.htm
You'd think being able to smell drinkable water would be an evolutionary advantage. But we can only smell things that suggest potable water. Why is that?
How Many Legs Does a Millipede Really Have?
animals.howstuffworks.com/arachnids/millipede-legs.htm
If you think the answer is 1,000, you're way way off.
Why Is the Krebs Cycle Essential for Life as We Know It?
science.howstuffworks.com/krebs-cycle.htm
The main function of the Krebs cycle is to produce energy, stored and transported as ATP or GTP, to keep the human body up and running.
Can you match the generic drug to its brand name?
play.howstuffworks.com/quiz/can-you-match-the-generic-drug-its-brand-name
If you've ever wondered whether or not the generic is as good as or the same as the name brand, good news; it is. The FDA requires that all generic drugs be what's called "chemically identical" to the matching brand name. And making the switch from brand to generic can have big savings -- as much as 73% for over-the-counter drugs, according to Consumer Reports. See if you can make the right matches.
How Rain Barrels Work
home.howstuffworks.com/rain-barrel.htm
Rain barrels are containers designed to trap and store rainwater. Learn more about rain barrels and if one is right for you.
How Winemaking Works
science.howstuffworks.com/innovation/edible-innovations/winemaking.htm
From Beaujolais to Bordeaux, Madeira to Merlot and Sancerre to Shiraz, wine can complement almost any food. And, one glass of red wine daily may be a heart-healthy habit. Learn how wine is made, from grapes to glass!
How Does Dry Cleaning Work?
Dry cleaning is a way to clean clothes without using water, but do your clothes really stay dry after you hand them to the dry cleaner?
Why does it take my eyes several minutes to adjust to darkness?
health.howstuffworks.com/human-body/systems/eye/eyes-adjust-darkness.htm
At night, your eyes adjust to darkness after several minutes. Do you know why it takes that long? Take a look at how your eyes adjust to darkness.
What causes shingles and what is the best treatment?
health.howstuffworks.com/diseases-conditions/pain/nerve/shingles.htm
Learn what causes shingles and how to treat it in this article from Discovery Health.
How Bioluminescent Jellyfish Get Their Signature Glow
animals.howstuffworks.com/marine-life/bioluminescent-jellyfish.htm
In the deep ocean where sunlight fades to black, a strange glow pulses through the water.