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Why does beer form a head but soda doesn't?
science.howstuffworks.com/innovation/edible-innovations/beer-form-head-not-soda.htm
A quickly poured beer or soda can create a layer of foam -- also known as a "head" -- toward the top of the glass. But while a soda head rapidly disappears, a beer head lingers even after you've begun to drink the beer. How can this be possible?
Why Does Coffee Make Your Breath So Bad?
health.howstuffworks.com/wellness/hygiene-tips/coffee-breath-bad.htm
Why does coffee make your breath so bad? Since giving up this daily indulgence is out of the question, learn how to lessen the odor at HowStuffWorks.
Was Gary Francis Poste the Zodiac Killer? We Can't Be Sure
people.howstuffworks.com/gary-francis-poste.htm
Gary Francis Poste made headlines after his death as the suspected Zodiac Killer. But is there enough evidence to finally close this case?
Can Pollen Allergies Make You Tired?
Can pollen allergies make you tired? Learn whether pollen allergies can make you sleepy in this article from HowStuffWorks.
What is a sweat test?
health.howstuffworks.com/wellness/men/sweating-odor/sweat-test.htm
What is a sweat test?
Termites vs. Ants
home.howstuffworks.com/home-improvement/household-hints-tips/insect-control/termites-vs-ants.htm
Are you wondering about termites vs. ants? Learn about termites vs. ants in this article.
Scientists Working on Converting Human Waste Into Food for Astronauts
science.howstuffworks.com/converting-human-waste-into-food-for-astronauts.htm
HowStuffWorks looks at a study on how human waste can become food - particularly important for astronauts in space.
Christian-themed 'Hell Houses' Still Going Strong
people.howstuffworks.com/haunted-hell-houses-still-popular.htm
Are Christian "hell houses" still popular? Learn more about religious haunted houses in this HowStuffWorks Now article.
Why the Inside of a Tornado Gets Super Cold, Leaves You Gasping for Air
science.howstuffworks.com/nature/natural-disasters/cold-thin-air-inside-tornado-vortex.htm
Researchers from Montreal's Concordia University have figured out why the air inside a tornado vortex is cooler and less dense than the surrounding air.
Neanderthals Had Bigger Brains Than Modern Humans — Why Are We Smarter?
science.howstuffworks.com/life/inside-the-mind/human-brain/neanderthal-bigger-brains-humans.htm
There are a lot of ways mental real estate can be allocated. Neanderthals evolved their big brains in a different way than we did - and you see where that got them.