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A Breathalyzer for Drugs? We're Not There Yet
electronics.howstuffworks.com/gadgets/automotive/breathalyzer-drugs-not-there-yet.htm
It's a lot harder to develop a breath test for marijuana and opioids than it is for alcohol. HowStuffWorks explains why.
Where Did 'Shirt and Shoes Required' Come From?
people.howstuffworks.com/where-did-shirt-shoes-required-come.htm
Where did "no shirt, no shoes, no service" come from? Blame the hippies, says HowStuffWorks.
Moths Are Mother Nature's Secret Pollinators
animals.howstuffworks.com/insects/moths-as-pollinators.htm
Bees get a lot of credit for pollinating important food crops, but they get a lot of secret help from their nocturnal friends, the moths.
Swordfish Are the Natural-born Gladiators of the Sea
animals.howstuffworks.com/fish/swordfish.htm
The swordfish's nose might look crazy weird, but these gladiators of the sea are perfectly outfitted for ocean battle.
What Are the Nitrogen Cycle Steps?
science.howstuffworks.com/life/biology-fields/nitrogen-cycle.htm
The nitrogen cycle is the system by which nitrogen is converted into different chemical forms, some usable to humans and animals and some not, as it circulates among the atmosphere, the land and the oceans.
Flemish Giant Rabbits Are Docile Snuggle Bunnies
animals.howstuffworks.com/pets/otherpets/flemish-giant-rabbit.htm
Flemish giants, also known as "Flemmies," make great pets, but the question is, how did they get so big?
Which Insect Inflicts the Most Painful Bite?
animals.howstuffworks.com/insects/which-insect-inflicts-most-painful-bite.htm
Which insect inflicts the most painful bite? HowStuffWorks wants to know.
Is It OK for Nondisabled People to Use the Big Bathroom Stall?
people.howstuffworks.com/is-it-OK-for-nondisabled-people-to-use-big-bathroom-stall.htm
HowStuffWorks finds out whether it's legal for anyone to use the bathroom stall reserved for people with disabilities or in wheelchairs.
5 Reasons to Blow Your Nose Gently
health.howstuffworks.com/human-body/parts/5-reasons-to-blow-nose-gently.htm
Nose blowing seems safe enough, but if you do it too hard, you might wind up with one of these unpleasant medical conditions.
Are Plastic-eating Enzymes Our Planet's Only Hope?
science.howstuffworks.com/environmental/green-science/plastic-eating-enzyme-planets-new-hope.htm
Two bacterial enzymes degrade PET plastics and could potentially be a solution to Earth's massive waste problem. HowStuffWorks looks at the science.